diff --git a/TEST/testGooglePhotosAPI.js b/TEST/testGooglePhotosAPI.js
index 3a4074a..051b921 100644
--- a/TEST/testGooglePhotosAPI.js
+++ b/TEST/testGooglePhotosAPI.js
@@ -1,27 +1,26 @@
-// Google Photos API Test
+// Google Photos Picker API Test
 //
 // Usage:
 //   node TEST/testGooglePhotosAPI.js <ACCESS_TOKEN>
 //   GOOGLE_ACCESS_TOKEN=ya29.xxx node TEST/testGooglePhotosAPI.js
 //
+// The token must have been granted the scope:
+//   https://www.googleapis.com/auth/photospicker.mediaitems.readonly
+//
 // Getting a token from OAuth Playground (https://developers.google.com/oauthplayground):
 //   1. Click the gear icon → check "Use your own OAuth credentials"
 //   2. Enter your Client ID and Client Secret from Google Cloud Console
-//   3. In the left panel select ALL of these scopes:
-//        https://www.googleapis.com/auth/photoslibrary
-//        https://www.googleapis.com/auth/photoslibrary.appendonly
-//        https://www.googleapis.com/auth/userinfo.email
-//        https://www.googleapis.com/auth/userinfo.profile
+//   3. In "Input your own scopes" enter:
+//        https://www.googleapis.com/auth/photospicker.mediaitems.readonly
 //   4. Click "Authorize APIs" and sign in with your test Google account
 //   5. Click "Exchange authorization code for tokens"
 //   6. Copy the Access token (starts with ya29.) and pass it here
-//
-// Note: if you only see 403 PERMISSION_DENIED, the token was issued without
-// the photoslibrary scope — go back and re-authorise with all scopes above.
 
-const API_BASE = 'https://photoslibrary.googleapis.com/v1';
+const PICKER_BASE = 'https://photospicker.googleapis.com/v1';
 const USERINFO_URL = 'https://www.googleapis.com/oauth2/v2/userinfo';
 
+function delay(ms) { return new Promise((r) => setTimeout(r, ms)); }
+
 async function main() {
   const token = process.argv[2] || process.env.GOOGLE_ACCESS_TOKEN;
 
@@ -30,61 +29,87 @@ async function main() {
     console.error('Usage:  node TEST/testGooglePhotosAPI.js <ACCESS_TOKEN>');
     console.error('Or set: GOOGLE_ACCESS_TOKEN=ya29.xxx node TEST/testGooglePhotosAPI.js');
     console.error('\nTo obtain a token go to https://developers.google.com/oauthplayground');
-    console.error('and authorise the Photos Library API v1 scope.\n');
+    console.error('and authorise the photospicker.mediaitems.readonly scope.\n');
     process.exit(1);
   }
 
   const headers = { Authorization: `Bearer ${token}` };
 
-  console.log('\n--- Google Photos API Test ---\n');
+  console.log('\n--- Google Photos Picker API Test ---\n');
 
   // Test 1 — User info
   console.log('[1] Fetching user info...');
   try {
     const res = await fetch(USERINFO_URL, { headers });
-    if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`);
-    const user = await res.json();
-    console.log(`    Authenticated as: ${user.email} (${user.name})\n`);
+    if (!res.ok) {
+      console.log(`    Failed: HTTP ${res.status}: ${await res.text()}\n`);
+    } else {
+      const user = await res.json();
+      console.log(`    Authenticated as: ${user.email} (${user.name})\n`);
+    }
   } catch (err) {
     console.log(`    Failed: ${err.message}\n`);
   }
 
-  // Test 2 — Search media items (replaces deprecated GET /mediaItems)
-  console.log('[2] Searching media items (first 10)...');
+  // Test 2 — Create Picker session
+  console.log('[2] Creating Picker session...');
+  let sessionId = null;
   try {
-    const res = await fetch(`${API_BASE}/mediaItems:search`, {
+    const res = await fetch(`${PICKER_BASE}/sessions`, {
       method: 'POST',
       headers: { ...headers, 'Content-Type': 'application/json' },
-      body: JSON.stringify({ pageSize: 10 }),
+      body: JSON.stringify({}),
     });
-    if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`);
-    const data = await res.json();
-    const items = data.mediaItems || [];
-    console.log(`    Found ${items.length} items`);
-    items.slice(0, 5).forEach((item, i) => {
-      console.log(`    ${i + 1}. ${item.filename}  (${item.mimeType})`);
-    });
-    if (items.length > 5) console.log(`    ... and ${items.length - 5} more`);
-    if (data.nextPageToken) console.log('    More pages available');
-    console.log();
+    if (!res.ok) {
+      console.log(`    Failed: HTTP ${res.status}: ${await res.text()}\n`);
+    } else {
+      const session = await res.json();
+      sessionId = session.id;
+      console.log(`    Session created: ${sessionId}`);
+      console.log(`    mediaItemsSet: ${session.mediaItemsSet}\n`);
+
+      // Wait for session to be ready
+      if (!session.mediaItemsSet) {
+        console.log('    Waiting for session to become ready...');
+        for (let i = 0; i < 10; i++) {
+          await delay(1500);
+          const pollRes = await fetch(`${PICKER_BASE}/sessions/${sessionId}`, { headers });
+          const pollData = await pollRes.json();
+          if (pollData.mediaItemsSet) {
+            console.log('    Session is ready!\n');
+            break;
+          }
+          if (i === 9) console.log('    Session timed out.\n');
+        }
+      }
+    }
   } catch (err) {
     console.log(`    Failed: ${err.message}\n`);
   }
 
-  // Test 3 — List albums
-  console.log('[3] Listing albums...');
-  try {
-    const res = await fetch(`${API_BASE}/albums?pageSize=10`, { headers });
-    if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`);
-    const data = await res.json();
-    const albums = data.albums || [];
-    console.log(`    Found ${albums.length} albums`);
-    albums.slice(0, 5).forEach((album, i) => {
-      console.log(`    ${i + 1}. "${album.title}" - ${album.mediaItemsCount || 0} items`);
-    });
-    console.log();
-  } catch (err) {
-    console.log(`    Failed: ${err.message}\n`);
+  // Test 3 — List media items from session
+  if (sessionId) {
+    console.log('[3] Fetching media items from session...');
+    try {
+      const params = new URLSearchParams({ sessionId, pageSize: '10' });
+      const res = await fetch(`${PICKER_BASE}/mediaItems?${params.toString()}`, { headers });
+      if (!res.ok) {
+        console.log(`    Failed: HTTP ${res.status}: ${await res.text()}\n`);
+      } else {
+        const data = await res.json();
+        const items = data.mediaItems || [];
+        console.log(`    Found ${items.length} items`);
+        items.slice(0, 5).forEach((item, i) => {
+          const file = item.mediaFile || {};
+          console.log(`    ${i + 1}. ${file.filename || '(no name)'}  (${file.mimeType || '?'})`);
+        });
+        if (items.length > 5) console.log(`    ... and ${items.length - 5} more`);
+        if (data.nextPageToken) console.log('    More pages available');
+        console.log();
+      }
+    } catch (err) {
+      console.log(`    Failed: ${err.message}\n`);
+    }
   }
 
   console.log('--- Tests complete ---\n');
diff --git a/app.json b/app.json
index e04971b..accf8a7 100644
--- a/app.json
+++ b/app.json
@@ -13,7 +13,8 @@
       "backgroundColor": "#ffffff"
     },
     "ios": {
-      "supportsTablet": true
+      "supportsTablet": true,
+      "bundleIdentifier": "com.bobthebob.massphotoapp"
     },
     "android": {
       "package": "com.bobthebob.massphotoapp",
@@ -35,4 +36,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/ignorefiles/GOOGLE_OAUTH_SETUP.md b/ignorefiles/GOOGLE_OAUTH_SETUP.md
index ed54de9..42a839b 100644
--- a/ignorefiles/GOOGLE_OAUTH_SETUP.md
+++ b/ignorefiles/GOOGLE_OAUTH_SETUP.md
@@ -5,10 +5,11 @@
 2. Click **Select a project** → **New Project**
 3. Name it and click **Create**
 
-## Step 2: Enable the Photos Library API
+## Step 2: Enable the Photos Picker API
 1. Go to **APIs & Services** → **Library**
-2. Search for **Photos Library API** → **Enable** it
-3. ⚠️ This step is **required** — without it, all Photos API calls return 403
+2. Search for **Photos Picker API** → **Enable** it
+3. ⚠️ This step is **required** — without it, all Picker API calls fail
+4. (The old "Photos Library API" is deprecated and no longer works)
 
 ## Step 3: Configure the OAuth Consent Screen
 1. Go to **APIs & Services** → **OAuth consent screen**
@@ -19,13 +20,12 @@
    - **Developer contact**: your email
 4. **Scopes** → Add or Remove Scopes → add these:
    - `openid`
-   - `https://www.googleapis.com/auth/photoslibrary`
+   - `https://www.googleapis.com/auth/photospicker.mediaitems.readonly`
    - `https://www.googleapis.com/auth/userinfo.email`
    - `https://www.googleapis.com/auth/userinfo.profile`
 5. **Test users** → **Add your Google account email address**
    - ⚠️ This is **critical** — if your email is not listed as a test user,
-     Google will silently strip the Photos scope from the granted token,
-     causing a 403 "insufficient authentication scopes" error.
+     Google will silently strip the Photos Picker scope from the granted token.
 
 ## Step 4: Create an Android OAuth Client ID
 1. Go to **APIs & Services** → **Credentials**
diff --git a/src/API/AndroidAPI.js b/src/API/AndroidAPI.js
index 71c6a63..36e2120 100644
--- a/src/API/AndroidAPI.js
+++ b/src/API/AndroidAPI.js
@@ -1,10 +1,13 @@
-// Google Photos Library API wrapper — uses the provided access token getter for authenticated requests
+// Google Photos Picker API wrapper — replaces the deprecated Photos Library API.
+// Uses sessions to access user photos from Google Photos cloud.
 const GooglePhotosAPI = (getAccessToken) => {
+  const PICKER_ROOT = 'https://photospicker.googleapis.com/v1';
+
   const callFetch = async (endpoint, method = 'GET', dataObj = null) => {
     const token = await getAccessToken();
     if (!token) return { isSuccess: false, message: 'Missing access token' };
 
-    let requestObj = {
+    const requestObj = {
       method,
       headers: { Authorization: `Bearer ${token}` },
     };
@@ -25,21 +28,19 @@ const GooglePhotosAPI = (getAccessToken) => {
     }
   };
 
-  const API_ROOT = 'https://photoslibrary.googleapis.com/v1';
-
   return {
-    listMediaItems: (pageSize = 25, pageToken) => {
-      const body = { pageSize };
-      if (pageToken) body.pageToken = pageToken;
-      return callFetch(`${API_ROOT}/mediaItems:search`, 'POST', body);
+    // Create a Picker session — must be called before listing items
+    createSession: () => callFetch(`${PICKER_ROOT}/sessions`, 'POST', {}),
+
+    // Poll session status
+    getSession: (sessionId) => callFetch(`${PICKER_ROOT}/sessions/${sessionId}`, 'GET'),
+
+    // List media items from a ready session
+    listMediaItems: (sessionId, pageSize = 25, pageToken) => {
+      const params = new URLSearchParams({ sessionId, pageSize: String(pageSize) });
+      if (pageToken) params.append('pageToken', pageToken);
+      return callFetch(`${PICKER_ROOT}/mediaItems?${params.toString()}`, 'GET');
     },
-    getMediaItem: (mediaItemId) => callFetch(`${API_ROOT}/mediaItems/${mediaItemId}`, 'GET'),
-    searchMediaItems: (filters) => callFetch(`${API_ROOT}/mediaItems:search`, 'POST', filters),
-    createAlbum: (title) => callFetch(`${API_ROOT}/albums`, 'POST', { album: { title } }),
-    addItemsToAlbum: (albumId, mediaItemIds) =>
-      callFetch(`${API_ROOT}/albums/${albumId}:batchAddMediaItems`, 'POST', { mediaItemIds }),
-    removeItemsFromAlbum: (albumId, mediaItemIds) =>
-      callFetch(`${API_ROOT}/albums/${albumId}:batchRemoveMediaItems`, 'POST', { mediaItemIds }),
   };
 };
 
diff --git a/src/AUTH/GoogleAUTH.js b/src/AUTH/GoogleAUTH.js
index 1cb760d..2b3e541 100644
--- a/src/AUTH/GoogleAUTH.js
+++ b/src/AUTH/GoogleAUTH.js
@@ -1,15 +1,17 @@
 import * as AuthSession from 'expo-auth-session';
 import * as WebBrowser from 'expo-web-browser';
 import * as Application from 'expo-application';
+import { File, Directory, Paths } from 'expo-file-system';
 import { AuthServiceBase } from './AuthServiceBase';
+import { logError } from '../services/ErrorHandler';
 
 WebBrowser.maybeCompleteAuthSession();
 
-// Android client ID — used for both auth requests and token exchange.
-// Created in Google Cloud Console as "Android" type with package name
-// com.bobthebob.massphotoapp and the SHA-1 from `eas credentials --platform android`.
-// Android clients are public (no client_secret needed) — PKCE verifies instead.
+// Android client ID — created in Google Cloud Console as "Android" type
+// with package name com.bobthebob.massphotoapp and the SHA-1 from
+// `eas credentials --platform android`.
 const ANDROID_CLIENT_ID = '313090284964-018uf4v1bmmrra09lvmpnuug2qs09047.apps.googleusercontent.com';
+const IOS_CLIENT_ID = '313090284964-luka809nuc66bb4cg4gameovtqg8uoj1.apps.googleusercontent.com'; // Optional, just in case being kept here.
 
 const GOOGLE_DISCOVERY = {
   authorizationEndpoint: 'https://accounts.google.com/o/oauth2/v2/auth',
@@ -17,17 +19,20 @@ const GOOGLE_DISCOVERY = {
   revocationEndpoint: 'https://oauth2.googleapis.com/revoke',
 };
 
+// The old Photos Library API (photoslibrary.googleapis.com) was shut down
+// in 2025. Google's replacement is the Photos Picker API which uses its
+// own scope.
 const SCOPES = [
   'openid',
   'https://www.googleapis.com/auth/userinfo.email',
   'https://www.googleapis.com/auth/userinfo.profile',
-  'https://www.googleapis.com/auth/photoslibrary',
+  'https://www.googleapis.com/auth/photospicker.mediaitems.readonly',
 ];
 
+const PICKER_API = 'https://photospicker.googleapis.com/v1';
+
+const CACHE_DIR = new Directory(Paths.cache, 'google_photos');
 
-// Redirect URI uses the Android package name as scheme, matching what
-// expo-auth-session/providers/google generates for installed Android apps.
-// Result: com.bobthebob.massphotoapp:/oauthredirect
 const REDIRECT_URI = `${Application.applicationId}:/oauthredirect`;
 
 class GoogleAUTH extends AuthServiceBase {
@@ -37,110 +42,85 @@ class GoogleAUTH extends AuthServiceBase {
     this.refreshToken = null;
     this.expiresAt = null;
     this.email = null;
-    this.idToken = null;
   }
 
+  // ───────────────────── Authentication ─────────────────────
+
   async authenticate() {
-    try {
-      if (ANDROID_CLIENT_ID === 'REPLACE_WITH_ANDROID_CLIENT_ID.apps.googleusercontent.com') {
-        console.warn('Google Auth: no Android client ID — using placeholder mode');
-        this.accessToken = 'placeholder_google_token_' + Date.now();
-        this.refreshToken = 'placeholder_refresh_' + Date.now();
-        this.expiresAt = Date.now() + 3600000;
-        this.email = 'google-user@placeholder.com';
-        return {
-          success: true,
-          accessToken: this.accessToken,
-          refreshToken: this.refreshToken,
-          email: this.email,
-        };
-      }
-
-      console.log('OAuth redirect URI:', REDIRECT_URI);
-      console.log('Requesting scopes:', SCOPES.join(' '));
-
-      // Auth request uses the Android client ID.
-      // Android OAuth clients are verified by package name + SHA-1 signing cert,
-      // so Google accepts the package-name scheme redirect without URI registration.
-      //
-      // NOTE: Do NOT use include_granted_scopes — we need a clean token with
-      // exactly the scopes listed above. Old tokens may carry stale scopes
-      // (e.g. photoslibrary instead of photoslibrary.readonly) that no longer
-      // work with the Photos Library API.
-      const authRequest = new AuthSession.AuthRequest({
-        clientId: ANDROID_CLIENT_ID,
-        scopes: SCOPES,
-        redirectUri: REDIRECT_URI,
-        responseType: AuthSession.ResponseType.Code,
-        usePKCE: true,
-        extraParams: {
-          access_type: 'offline',
-          prompt: 'consent',
-        },
-      });
-
-      const result = await authRequest.promptAsync(GOOGLE_DISCOVERY);
-
-      if (result.type !== 'success') {
-        throw new Error('Google authentication was cancelled or failed');
-      }
-
-      // Exchange authorization code for tokens using the Android client ID.
-      // Android clients are public (no client secret required) — the PKCE
-      // code_verifier is used to verify the exchange instead.
-      const tokenBody = new URLSearchParams({
-        client_id: ANDROID_CLIENT_ID,
-        code: result.params.code,
-        code_verifier: authRequest.codeVerifier,
-        grant_type: 'authorization_code',
-        redirect_uri: REDIRECT_URI,
-      });
-
-      const tokenResponse = await fetch(GOOGLE_DISCOVERY.tokenEndpoint, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
-        body: tokenBody.toString(),
-      });
-
-      const tokenData = await tokenResponse.json();
-
-      if (tokenData.error) {
-        throw new Error(tokenData.error_description || tokenData.error);
-      }
-
-      this.accessToken = tokenData.access_token;
-      this.refreshToken = tokenData.refresh_token || null;
-      this.idToken = tokenData.id_token || null;
-      this.expiresAt = Date.now() + (tokenData.expires_in || 3600) * 1000;
-
-      // Log the scopes Google actually granted (the token response includes a `scope` field)
-      console.log('Google token granted scopes:', tokenData.scope || '(none returned)');
-
-      // Also verify via tokeninfo endpoint for a definitive answer
-      try {
-        const infoRes = await fetch(
-          `https://oauth2.googleapis.com/tokeninfo?access_token=${this.accessToken}`
-        );
-        const infoData = await infoRes.json();
-        console.log('Google tokeninfo scopes:', infoData.scope || '(none)');
-        console.log('Google tokeninfo audience:', infoData.aud || '(none)');
-      } catch (e) {
-        console.log('Could not fetch tokeninfo:', e.message);
-      }
-
-      const userInfo = await this.fetchUserInfo();
-      this.email = userInfo?.email || 'google-user';
-
+    if (ANDROID_CLIENT_ID === 'REPLACE_WITH_ANDROID_CLIENT_ID.apps.googleusercontent.com') {
+      console.warn('Google Auth: no Android client ID — using placeholder mode');
+      this.accessToken = 'placeholder_google_token_' + Date.now();
+      this.refreshToken = 'placeholder_refresh_' + Date.now();
+      this.expiresAt = Date.now() + 3600000;
+      this.email = 'google-user@placeholder.com';
       return {
         success: true,
         accessToken: this.accessToken,
         refreshToken: this.refreshToken,
         email: this.email,
       };
-    } catch (error) {
-      console.error('Google authentication error:', error);
-      throw error;
     }
+
+    console.log('OAuth redirect URI:', REDIRECT_URI);
+    console.log('Requesting scopes:', SCOPES.join(' '));
+
+    const authRequest = new AuthSession.AuthRequest({
+      clientId: ANDROID_CLIENT_ID,
+      scopes: SCOPES,
+      redirectUri: REDIRECT_URI,
+      responseType: AuthSession.ResponseType.Code,
+      usePKCE: true,
+      extraParams: {
+        access_type: 'offline',
+        prompt: 'consent',
+      },
+    });
+
+    const result = await authRequest.promptAsync(GOOGLE_DISCOVERY);
+
+    if (result.type !== 'success') {
+      const err = new Error('Google authentication was cancelled or failed');
+      logError('Google Auth', err);
+      throw err;
+    }
+
+    const tokenBody = new URLSearchParams({
+      client_id: ANDROID_CLIENT_ID,
+      code: result.params.code,
+      code_verifier: authRequest.codeVerifier,
+      grant_type: 'authorization_code',
+      redirect_uri: REDIRECT_URI,
+    });
+
+    const tokenResponse = await fetch(GOOGLE_DISCOVERY.tokenEndpoint, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+      body: tokenBody.toString(),
+    });
+
+    const tokenData = await tokenResponse.json();
+
+    if (tokenData.error) {
+      const err = new Error(tokenData.error_description || tokenData.error);
+      logError('Google Token Exchange', err);
+      throw err;
+    }
+
+    this.accessToken = tokenData.access_token;
+    this.refreshToken = tokenData.refresh_token || null;
+    this.expiresAt = Date.now() + (tokenData.expires_in || 3600) * 1000;
+
+    console.log('Google token granted scopes:', tokenData.scope || '(none returned)');
+
+    const userInfo = await this.fetchUserInfo();
+    this.email = userInfo?.email || 'google-user';
+
+    return {
+      success: true,
+      accessToken: this.accessToken,
+      refreshToken: this.refreshToken,
+      email: this.email,
+    };
   }
 
   async fetchUserInfo() {
@@ -162,29 +142,28 @@ class GoogleAUTH extends AuthServiceBase {
   }
 
   async refreshAccessToken() {
-    try {
-      const body = new URLSearchParams({
-        client_id: ANDROID_CLIENT_ID,
-        refresh_token: this.refreshToken,
-        grant_type: 'refresh_token',
-      });
+    const body = new URLSearchParams({
+      client_id: ANDROID_CLIENT_ID,
+      refresh_token: this.refreshToken,
+      grant_type: 'refresh_token',
+    });
 
-      const response = await fetch(GOOGLE_DISCOVERY.tokenEndpoint, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
-        body: body.toString(),
-      });
+    const response = await fetch(GOOGLE_DISCOVERY.tokenEndpoint, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+      body: body.toString(),
+    });
 
-      const data = await response.json();
-      if (data.error) throw new Error(data.error_description || data.error);
-
-      this.accessToken = data.access_token;
-      this.expiresAt = Date.now() + (data.expires_in || 3600) * 1000;
-      return this.accessToken;
-    } catch (error) {
-      console.error('Token refresh error:', error);
-      throw error;
+    const data = await response.json();
+    if (data.error) {
+      const err = new Error(data.error_description || data.error);
+      logError('Token Refresh', err);
+      throw err;
     }
+
+    this.accessToken = data.access_token;
+    this.expiresAt = Date.now() + (data.expires_in || 3600) * 1000;
+    return this.accessToken;
   }
 
   async revokeAccess() {
@@ -195,13 +174,12 @@ class GoogleAUTH extends AuthServiceBase {
         });
       }
     } catch (err) {
-      console.error('Revoke error:', err);
+      logError('Revoke', err);
     }
     this.accessToken = null;
     this.refreshToken = null;
     this.expiresAt = null;
     this.email = null;
-    this.idToken = null;
     return { success: true };
   }
 
@@ -210,154 +188,324 @@ class GoogleAUTH extends AuthServiceBase {
     return info || { id: 'google_user', email: this.email || 'unknown', name: 'Google User' };
   }
 
-  async getPhotos(pageSize = 50, pageToken = null) {
-    try {
-      const token = await this.getAccessToken();
+  // ───────────────── Photos Picker API ──────────────────
+  //
+  // The Picker API is interactive — the user must open the pickerUri in a
+  // browser to select which photos to share with the app.  Once the user
+  // finishes selecting, mediaItemsSet becomes true and we can fetch items.
+  //
+  // Flow:
+  //   1. POST /v1/sessions → get { id, pickerUri }
+  //   2. Open pickerUri in browser → user selects photos → browser closes
+  //   3. Poll GET /v1/sessions/{id} until mediaItemsSet = true
+  //   4. GET /v1/mediaItems?sessionId={id}&pageSize=N → selected items
 
-      // Use the mediaItems:search endpoint (POST) instead of the deprecated
-      // GET /v1/mediaItems which Google shut down in 2025.
-      // An empty filters body returns ALL photos, ordered by creation time.
-      const body = { pageSize };
-      if (pageToken) body.pageToken = pageToken;
+  /**
+   * Create a new Picker session.
+   * Returns the full session object { id, pickerUri, mediaItemsSet, ... }
+   * or { error: { code, message } } on failure.
+   */
+  async _createPickerSession() {
+    const token = await this.getAccessToken();
+    const res = await fetch(`${PICKER_API}/sessions`, {
+      method: 'POST',
+      headers: {
+        Authorization: `Bearer ${token}`,
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({}),
+    });
 
-      const url = 'https://photoslibrary.googleapis.com/v1/mediaItems:search';
-      const response = await fetch(url, {
-        method: 'POST',
-        headers: {
-          Authorization: `Bearer ${token}`,
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify(body),
+    if (!res.ok) {
+      const body = await res.text();
+      logError('Picker Session Create', `${res.status}: ${body}`);
+      return { error: { code: res.status, message: body } };
+    }
+
+    return await res.json();
+  }
+
+  /**
+   * Poll a session until mediaItemsSet becomes true.
+   * Waits up to ~30 seconds (user needs time to select photos).
+   */
+  async _waitForSession(sessionId) {
+    const token = await this.getAccessToken();
+    const maxAttempts = 20;
+    const delayMs = 1500;
+
+    for (let i = 0; i < maxAttempts; i++) {
+      const res = await fetch(`${PICKER_API}/sessions/${sessionId}`, {
+        headers: { Authorization: `Bearer ${token}` },
       });
 
-      if (!response.ok) {
-        let errorBody = '';
-        let errorJson = null;
-        try {
-          errorBody = await response.text();
-          errorJson = JSON.parse(errorBody);
-        } catch (_) { /* not JSON */ }
-
-        const googleMessage =
-          errorJson?.error?.message || errorBody || `HTTP ${response.status}`;
-        const googleStatus = errorJson?.error?.status || '';
-
-        console.error(
-          `Google Photos API ${response.status} (${googleStatus}):`,
-          googleMessage,
-        );
-
-        // 401 → token expired, try one refresh
-        if (response.status === 401 && this.refreshToken && !pageToken) {
-          console.log('Token expired, refreshing and retrying…');
-          await this.refreshAccessToken();
-          return this.getPhotos(pageSize, pageToken);
-        }
-
-        // 403 → scope or API issue
-        if (response.status === 403) {
-          const isScopeProblem =
-            googleMessage.toLowerCase().includes('scope');
-
-          return {
-            mediaItems: [],
-            nextPageToken: null,
-            error: {
-              code: 403,
-              status: googleStatus,
-              message: googleMessage,
-              needsReauth: isScopeProblem,
-              hint: isScopeProblem
-                ? 'Token is missing the required scope. Re-authenticate in Settings.'
-                : googleMessage,
-            },
-          };
-        }
-
-        return { mediaItems: [], nextPageToken: null };
+      if (!res.ok) {
+        logError('Picker Session Poll', `${res.status}: ${await res.text()}`);
+        return null;
       }
 
-      const data = await response.json();
-      return {
-        mediaItems: (data.mediaItems || []).map((item) => ({
-          source_service: 'GOOGLE_PHOTOS',
-          source_id: item.id,
-          title: item.filename || 'Untitled',
-          description: item.description || '',
-          local_path: item.baseUrl ? `${item.baseUrl}=w400-h400` : null,
-          remote_path: item.productUrl || '',
-          media_type: item.mimeType?.startsWith('video') ? 'video' : 'photo',
-          created_date: item.mediaMetadata?.creationTime || null,
-        })),
-        nextPageToken: data.nextPageToken || null,
-      };
-    } catch (error) {
-      console.error('Get photos error:', error);
+      const session = await res.json();
+      if (session.mediaItemsSet) return session;
+
+      await new Promise((resolve) => setTimeout(resolve, delayMs));
+    }
+
+    console.warn('Picker session timed out waiting for user selection');
+    return null;
+  }
+
+  /**
+   * Fetch media items from a ready Picker session.
+   */
+  async _fetchPickerMediaItems(sessionId, pageSize = 100, pageToken = null) {
+    const token = await this.getAccessToken();
+    const params = new URLSearchParams({
+      sessionId,
+      pageSize: String(pageSize),
+    });
+    if (pageToken) params.append('pageToken', pageToken);
+
+    const res = await fetch(`${PICKER_API}/mediaItems?${params.toString()}`, {
+      headers: { Authorization: `Bearer ${token}` },
+    });
+
+    if (!res.ok) {
+      const body = await res.text();
+      logError('Picker MediaItems', `${res.status}: ${body}`);
       return { mediaItems: [], nextPageToken: null };
     }
+
+    const data = await res.json();
+
+    // Debug: log raw response structure
+    if (data.mediaItems?.length) {
+      console.log('Picker raw item[0]:', JSON.stringify(data.mediaItems[0], null, 2));
+    } else {
+      console.log('Picker returned no mediaItems. Keys:', Object.keys(data));
+    }
+
+    return data;
   }
 
-  async getAlbums(pageSize = 50, pageToken = null) {
-    try {
-      const token = await this.getAccessToken();
-      const params = new URLSearchParams({ pageSize: String(pageSize) });
-      if (pageToken) params.append('pageToken', pageToken);
+  /**
+   * Normalise Picker API media items to the app's standard format.
+   *
+   * The Picker API response shape per item:
+   *   { id, mediaFile: { baseUrl, mimeType, filename, mediaFileMetadata: { ... } } }
+   *
+   * baseUrl requires an Authorization header to fetch the actual image bytes.
+   */
+  _normalisePickerItems(items) {
+    if (!items?.length) return [];
 
-      const response = await fetch(
-        `https://photoslibrary.googleapis.com/v1/albums?${params.toString()}`,
-        { headers: { Authorization: `Bearer ${token}` } }
-      );
+    return items.map((item, idx) => {
+      // The item may have mediaFile nested, or may be flat
+      const file = item.mediaFile || item;
+      const baseUrl = file.baseUrl || item.baseUrl || null;
+      const filename = file.filename || item.filename || 'Untitled';
+      const mimeType = file.mimeType || item.mimeType || null;
+      const isVideo = mimeType?.startsWith('video');
+      const creationTime = file.mediaFileMetadata?.creationTime
+        || item.mediaFileMetadata?.creationTime
+        || null;
 
-      if (!response.ok) {
-        const errorBody = await response.text();
-        console.error(`Google Albums API error ${response.status}:`, errorBody);
-        return { albums: [], nextPageToken: null };
+      if (idx === 0) {
+        console.log(`Normalising item[0]: id=${item.id}, baseUrl=${baseUrl?.substring(0, 60)}…, filename=${filename}, mime=${mimeType}`);
       }
-      const data = await response.json();
-      return { albums: data.albums || [], nextPageToken: data.nextPageToken || null };
+
+      return {
+        source_service: 'GOOGLE_PHOTOS',
+        source_id: item.id || file.id || `picker_${Date.now()}_${idx}`,
+        title: filename,
+        description: '',
+        local_path: null,
+        remote_path: baseUrl || '',
+        picker_base_url: baseUrl,
+        media_type: isVideo ? 'video' : 'photo',
+        mime_type: mimeType,
+        created_date: creationTime,
+      };
+    });
+  }
+
+  /**
+   * Download Picker images to local cache so <Image> can render them.
+   *
+   * The Picker API's baseUrl requires an Authorization header.  React
+   * Native's <Image> can't add custom headers reliably, so we download
+   * each photo to a cache file and set local_path to the file:// URI.
+   *
+   * @param {Array} items — normalised items from _normalisePickerItems
+   * @returns {Array} — same items with local_path populated
+   */
+  async downloadPickerPhotos(items) {
+    const token = await this.getAccessToken();
+
+    // Ensure cache directory exists
+    if (!CACHE_DIR.exists) {
+      CACHE_DIR.create({ intermediates: true });
+    } else {
+      // Clean up stale files from previous failed downloads (< 1KB = likely error pages)
+      try {
+        const entries = CACHE_DIR.list();
+        for (const entry of entries) {
+          if (entry instanceof File && entry.size < 1024) {
+            entry.delete();
+          }
+        }
+      } catch (_) { /* ignore cleanup errors */ }
+    }
+
+    const results = [];
+    for (const item of items) {
+      if (!item.picker_base_url) {
+        results.push(item);
+        continue;
+      }
+
+      try {
+        const safeId = (item.source_id || 'photo').replace(/[^a-zA-Z0-9_-]/g, '_');
+        const ext = item.mime_type?.includes('png') ? '.png'
+          : item.mime_type?.includes('gif') ? '.gif'
+          : item.mime_type?.includes('webp') ? '.webp'
+          : '.jpg';
+        const destFile = new File(CACHE_DIR, `${safeId}${ext}`);
+
+        // Skip download if already cached and non-empty
+        if (destFile.exists && destFile.size > 1024) {
+          results.push({ ...item, local_path: destFile.uri });
+          continue;
+        }
+
+        // The Picker API baseUrl is a direct download link when used with
+        // the Authorization header. No suffix needed.
+        console.log(`Downloading: ${item.title} (${item.picker_base_url.substring(0, 80)}…)`);
+
+        const downloaded = await File.downloadFileAsync(
+          item.picker_base_url,
+          destFile,
+          { headers: { Authorization: `Bearer ${token}` }, idempotent: true }
+        );
+
+        console.log(`  → uri=${downloaded.uri}, size=${downloaded.size}`);
+
+        if (downloaded.exists && downloaded.size > 1024) {
+          results.push({ ...item, local_path: downloaded.uri });
+        } else if (downloaded.exists && downloaded.size > 0) {
+          // Suspiciously small — check if it's an error page
+          try {
+            const peek = await downloaded.text();
+            if (peek.startsWith('<') || peek.startsWith('{')) {
+              logError('Download Picker Photo',
+                `Got error page for ${item.title}: ${peek.substring(0, 150)}`);
+              downloaded.delete();
+              results.push(item); // no local_path
+            } else {
+              results.push({ ...item, local_path: downloaded.uri });
+            }
+          } catch (_) {
+            // Can't read as text = probably binary = probably an image
+            results.push({ ...item, local_path: downloaded.uri });
+          }
+        } else {
+          logError('Download Picker Photo', `Empty file for ${item.title}`);
+          if (downloaded.exists) downloaded.delete();
+          results.push(item);
+        }
+      } catch (err) {
+        logError('Download Picker Photo', err);
+        results.push(item);
+      }
+    }
+
+    return results;
+  }
+
+  /**
+   * Full interactive flow: create session → open picker in browser →
+   * wait for user to select photos → fetch the selected items.
+   *
+   * @returns {{ mediaItems, nextPageToken, sessionId, error? }}
+   */
+  async pickPhotos() {
+    try {
+      // 1. Create session
+      console.log('Creating Google Photos Picker session…');
+      const session = await this._createPickerSession();
+
+      if (session?.error) {
+        return {
+          mediaItems: [], nextPageToken: null, sessionId: null,
+          error: { code: session.error.code, message: session.error.message },
+        };
+      }
+      if (!session?.id || !session?.pickerUri) {
+        return {
+          mediaItems: [], nextPageToken: null, sessionId: null,
+          error: { code: 0, message: 'Failed to create Picker session' },
+        };
+      }
+
+      console.log('Picker session created:', session.id);
+      console.log('Opening picker for user selection…');
+
+      // 2. Open the picker URI in a browser for the user to select photos
+      await WebBrowser.openBrowserAsync(session.pickerUri, {
+        dismissButtonStyle: 'done',
+        presentationStyle: 'pageSheet',
+      });
+
+      console.log('Browser closed — polling for selected photos…');
+
+      // 3. Poll until the user's selections are ready
+      const ready = await this._waitForSession(session.id);
+      if (!ready) {
+        return {
+          mediaItems: [], nextPageToken: null, sessionId: session.id,
+          error: { code: 0, message: 'No photos were selected or the picker was dismissed' },
+        };
+      }
+
+      // 4. Fetch selected items and download to local cache
+      const result = await this._fetchPickerMediaItems(session.id, 100, null);
+      let mediaItems = this._normalisePickerItems(result.mediaItems);
+
+      console.log(`Picker returned ${mediaItems.length} selected items, downloading…`);
+      mediaItems = await this.downloadPickerPhotos(mediaItems);
+      console.log(`Downloaded ${mediaItems.filter((m) => m.local_path).length} photos to cache`);
+
+      return {
+        mediaItems,
+        nextPageToken: result.nextPageToken || null,
+        sessionId: session.id,
+      };
     } catch (error) {
-      console.error('Get albums error:', error);
-      return { albums: [], nextPageToken: null };
+      logError('Pick Photos', error);
+      return { mediaItems: [], nextPageToken: null, sessionId: null };
     }
   }
 
-  // NOTE: Upload requires the `photoslibrary.appendonly` scope which is not
-  // requested by default (read-only mode). Re-authenticate with upload scopes
-  // before calling this method.
-  async uploadPhoto(filePath, filename, mimeType = 'image/jpeg') {
+  /**
+   * Fetch more items from an existing Picker session (pagination).
+   */
+  async getMorePhotos(pageSize = 100, pageToken, sessionId) {
     try {
-      const token = await this.getAccessToken();
+      if (!sessionId || !pageToken) {
+        return { mediaItems: [], nextPageToken: null, sessionId };
+      }
 
-      const uploadResponse = await fetch('https://photoslibrary.googleapis.com/v1/uploads', {
-        method: 'POST',
-        headers: {
-          Authorization: `Bearer ${token}`,
-          'Content-Type': 'application/octet-stream',
-          'X-Goog-Upload-File-Name': filename,
-          'X-Goog-Upload-Protocol': 'raw',
-        },
-        body: await fetch(filePath).then((r) => r.blob()),
-      });
+      const result = await this._fetchPickerMediaItems(sessionId, pageSize, pageToken);
+      let mediaItems = this._normalisePickerItems(result.mediaItems);
+      mediaItems = await this.downloadPickerPhotos(mediaItems);
 
-      if (!uploadResponse.ok) throw new Error('Upload bytes failed');
-      const uploadToken = await uploadResponse.text();
-
-      const createResponse = await fetch(
-        'https://photoslibrary.googleapis.com/v1/mediaItems:batchCreate',
-        {
-          method: 'POST',
-          headers: { Authorization: `Bearer ${token}`, 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            newMediaItems: [{ simpleMediaItem: { uploadToken, fileName: filename } }],
-          }),
-        }
-      );
-
-      if (!createResponse.ok) throw new Error('Create media item failed');
-      return await createResponse.json();
+      return {
+        mediaItems,
+        nextPageToken: result.nextPageToken || null,
+        sessionId,
+      };
     } catch (error) {
-      console.error('Upload photo error:', error);
-      throw error;
+      logError('Get More Photos', error);
+      return { mediaItems: [], nextPageToken: null, sessionId };
     }
   }
 }
diff --git a/src/components/MediaViewer.js b/src/components/MediaViewer.js
index c4ba5c8..8575906 100644
--- a/src/components/MediaViewer.js
+++ b/src/components/MediaViewer.js
@@ -1,4 +1,4 @@
-import React, { useRef, useState, useEffect, useCallback } from 'react';
+import React, { useRef, useState, useEffect } from 'react';
 import {
   Modal, View, Text, TouchableOpacity, Image, StyleSheet,
   Dimensions, FlatList,
@@ -57,22 +57,22 @@ const MediaViewer = ({ visible, media, allMedia, onClose }) => {
     }, 100);
   }, [visible, media]);
 
-  const onMainScroll = useCallback(
-    (event) => {
-      const offsetX = event.nativeEvent.contentOffset.x;
-      const idx = Math.round(offsetX / SCREEN_WIDTH);
-      if (idx >= 0 && idx < mediaList.length && idx !== activeIndex) {
-        setActiveIndex(idx);
-        setCurrentMedia(mediaList[idx]);
-        if (thumbListRef.current) {
-          try {
-            thumbListRef.current.scrollToIndex({ index: idx, animated: true, viewPosition: 0.5 });
-          } catch (e) { /* ignore */ }
-        }
+  const activeIndexRef = useRef(0);
+
+  const onMainScroll = (event) => {
+    const offsetX = event.nativeEvent.contentOffset.x;
+    const idx = Math.round(offsetX / SCREEN_WIDTH);
+    if (idx >= 0 && idx < mediaList.length && idx !== activeIndexRef.current) {
+      activeIndexRef.current = idx;
+      setActiveIndex(idx);
+      setCurrentMedia(mediaList[idx]);
+      if (thumbListRef.current) {
+        try {
+          thumbListRef.current.scrollToIndex({ index: idx, animated: true, viewPosition: 0.5 });
+        } catch (_) { /* ignore */ }
       }
-    },
-    [activeIndex, mediaList]
-  );
+    }
+  };
 
   const onThumbPress = (index) => {
     setActiveIndex(index);
@@ -189,9 +189,20 @@ const MediaViewer = ({ visible, media, allMedia, onClose }) => {
           <View style={styles.row}>
             <Text style={styles.label}>Source</Text>
             <Text style={styles.value}>
-              {getServiceIcon(displayMedia.source_service)} {getServiceName(displayMedia.source_service)}
+              {displayMedia.sources && displayMedia.sources.length > 1
+                ? displayMedia.sources.map((s) => `${getServiceIcon(s)} ${getServiceName(s)}`).join('  ·  ')
+                : `${getServiceIcon(displayMedia.source_service)} ${getServiceName(displayMedia.source_service)}`
+              }
             </Text>
           </View>
+          {displayMedia.sources && displayMedia.sources.length > 1 && (
+            <View style={styles.row}>
+              <Text style={styles.label}>Available on</Text>
+              <Text style={[styles.value, { color: '#8ab4f8' }]}>
+                {displayMedia.sources.length} services
+              </Text>
+            </View>
+          )}
           {displayMedia.created_date && (
             <View style={styles.row}>
               <Text style={styles.label}>Date</Text>
diff --git a/src/components/PhotoGrid.js b/src/components/PhotoGrid.js
index 6442285..c7b252e 100644
--- a/src/components/PhotoGrid.js
+++ b/src/components/PhotoGrid.js
@@ -21,7 +21,31 @@ const PhotoGrid = ({
   const itemSize = (width - GRID_GAP * (columns + 1)) / columns;
 
   const getServiceIcon = (type) =>
-    ({ GOOGLE_PHOTOS: '📷', ICLOUD_PHOTOS: '🍎', NAS: '💾' }[type] || '📱');
+    ({ DEVICE: '📱', GOOGLE_PHOTOS: '📷', ICLOUD_PHOTOS: '🍎', NAS: '💾' }[type] || '📱');
+
+  const renderSourceBadges = (item) => {
+    const sources = item.sources && item.sources.length > 0
+      ? item.sources
+      : [item.source_service];
+
+    if (sources.length === 1) {
+      // Single source — simple badge
+      return (
+        <View style={styles.sourceBadge}>
+          <Text style={{ fontSize: 10 }}>{getServiceIcon(sources[0])}</Text>
+        </View>
+      );
+    }
+
+    // Multiple sources — show all icons with a subtle indicator
+    return (
+      <View style={styles.multiSourceBadge}>
+        {sources.map((src, i) => (
+          <Text key={src + i} style={{ fontSize: 9 }}>{getServiceIcon(src)}</Text>
+        ))}
+      </View>
+    );
+  };
 
   const renderItem = ({ item }) => (
     <TouchableOpacity
@@ -30,7 +54,12 @@ const PhotoGrid = ({
       activeOpacity={0.8}
     >
       {item.local_path ? (
-        <Image source={{ uri: item.local_path }} style={styles.gridImage} resizeMode="cover" />
+        <Image
+          source={{ uri: item.local_path }}
+          style={styles.gridImage}
+          resizeMode="cover"
+          onError={(e) => console.warn(`Image load failed [${item.source_service}]: ${item.local_path?.substring(0, 80)}`, e.nativeEvent?.error)}
+        />
       ) : (
         <View style={[styles.placeholder, { backgroundColor: theme.borderLight }]}>
           <Text style={{ fontSize: 28 }}>📷</Text>
@@ -41,9 +70,7 @@ const PhotoGrid = ({
           <Text style={{ color: '#fff', fontSize: 20 }}>▶</Text>
         </View>
       )}
-      <View style={styles.sourceBadge}>
-        <Text style={{ fontSize: 10 }}>{getServiceIcon(item.source_service)}</Text>
-      </View>
+      {renderSourceBadges(item)}
     </TouchableOpacity>
   );
 
@@ -82,6 +109,11 @@ const styles = StyleSheet.create({
     position: 'absolute', bottom: 4, right: 4, backgroundColor: 'rgba(0,0,0,0.5)',
     borderRadius: 8, paddingHorizontal: 4, paddingVertical: 2,
   },
+  multiSourceBadge: {
+    position: 'absolute', bottom: 4, right: 4, backgroundColor: 'rgba(0,0,0,0.6)',
+    borderRadius: 8, paddingHorizontal: 4, paddingVertical: 2,
+    flexDirection: 'row', gap: 2,
+  },
 });
 
 export default PhotoGrid;
diff --git a/src/screens/AlbumsScreen.js b/src/screens/AlbumsScreen.js
index d0221d9..811b1fa 100644
--- a/src/screens/AlbumsScreen.js
+++ b/src/screens/AlbumsScreen.js
@@ -13,7 +13,7 @@ const ALBUM_COLUMNS = 2;
 const ALBUM_GAP = 12;
 const albumSize = (width - ALBUM_GAP * (ALBUM_COLUMNS + 1)) / ALBUM_COLUMNS;
 
-const CollectionsScreen = ({ route, navigation }) => {
+const CollectionsScreen = ({ route }) => {
   const userId = route?.params?.userId;
   const { theme } = useTheme();
   const [sections, setSections] = useState([]);
diff --git a/src/screens/HomeScreen.js b/src/screens/HomeScreen.js
index c97fbe8..a615533 100644
--- a/src/screens/HomeScreen.js
+++ b/src/screens/HomeScreen.js
@@ -6,12 +6,71 @@ import { useFocusEffect } from '@react-navigation/native';
 import { useTheme } from '../services/ThemeContext';
 import DatabaseService from '../services/DatabaseService';
 import DeviceMediaService from '../services/DeviceMediaService';
+import GoogleAUTH from '../AUTH/GoogleAUTH';
 import NASAUTH from '../AUTH/NASAUTH';
+import { File } from 'expo-file-system';
 import TopBar from '../components/TopBar';
 import PhotoGrid from '../components/PhotoGrid';
 import MediaViewer from '../components/MediaViewer';
+import { logError } from '../services/ErrorHandler';
 import { TouchableOpacity } from 'react-native';
 
+/**
+ * Merge media items from different services.
+ * Items with the same filename (title) are merged into a single entry
+ * with a `sources` array listing every service it appears in.
+ * The best local_path is kept (prefer file:// from DEVICE over a cached
+ * Picker download, since device URIs are always fresh).
+ */
+const mergeMediaAcrossServices = (items) => {
+  // First pass: group by normalised filename
+  const byFilename = new Map();
+  const noFilename = [];
+
+  for (const item of items) {
+    const key = item.title?.toLowerCase().trim();
+    if (!key || key === 'untitled') {
+      noFilename.push({ ...item, sources: [item.source_service] });
+      continue;
+    }
+
+    if (byFilename.has(key)) {
+      const existing = byFilename.get(key);
+      // Add this service to the sources list
+      if (!existing.sources.includes(item.source_service)) {
+        existing.sources.push(item.source_service);
+      }
+      // Prefer a local device path over a cached download
+      if (item.source_service === 'DEVICE' && item.local_path) {
+        existing.local_path = item.local_path;
+      }
+      // Keep the best local_path if the existing one is missing
+      if (!existing.local_path && item.local_path) {
+        existing.local_path = item.local_path;
+      }
+    } else {
+      byFilename.set(key, { ...item, sources: [item.source_service] });
+    }
+  }
+
+  // Second pass: also deduplicate by source_id for items with different titles
+  const bySourceId = new Map();
+  for (const item of [...byFilename.values(), ...noFilename]) {
+    const key = item.source_id || item.id || item.local_path || Math.random().toString();
+    if (bySourceId.has(key)) {
+      const existing = bySourceId.get(key);
+      for (const src of (item.sources || [])) {
+        if (!existing.sources.includes(src)) existing.sources.push(src);
+      }
+      if (!existing.local_path && item.local_path) existing.local_path = item.local_path;
+    } else {
+      bySourceId.set(key, item);
+    }
+  }
+
+  return Array.from(bySourceId.values());
+};
+
 const HomeScreen = ({ navigation, route }) => {
   const userId = route?.params?.userId;
   const { theme } = useTheme();
@@ -26,7 +85,10 @@ const HomeScreen = ({ navigation, route }) => {
   const [viewerVisible, setViewerVisible] = useState(false);
   const [deviceEndCursor, setDeviceEndCursor] = useState(null);
   const [deviceHasMore, setDeviceHasMore] = useState(false);
+  const [googleNextPage, setGoogleNextPage] = useState(null);
+  const [googleSessionId, setGoogleSessionId] = useState(null);
   const [loadingMore, setLoadingMore] = useState(false);
+  const [importing, setImporting] = useState(false);
 
   useFocusEffect(
     useCallback(() => {
@@ -56,7 +118,7 @@ const HomeScreen = ({ navigation, route }) => {
     try {
       const newMedia = [];
 
-      // ─── Device photos (camera roll + Google Photos synced images) ───
+      // ─── Device photos (local camera roll, screenshots, etc.) ───
       try {
         const deviceResult = await DeviceMediaService.getPhotos(100);
         if (deviceResult.mediaItems.length) {
@@ -68,6 +130,30 @@ const HomeScreen = ({ navigation, route }) => {
         console.error('Device media fetch error:', err);
       }
 
+      // ─── Previously imported Google Photos (stored in DB) ───
+      try {
+        const googleMedia = await DatabaseService.getMediaByService(userId, 'GOOGLE_PHOTOS');
+        if (googleMedia?.length) {
+          // Validate cached files still exist — clear stale paths
+          const validated = googleMedia.map((item) => {
+            if (item.local_path) {
+              try {
+                const f = new File(item.local_path);
+                if (!f.exists || f.size === 0) {
+                  return { ...item, local_path: null };
+                }
+              } catch (_) {
+                return { ...item, local_path: null };
+              }
+            }
+            return item;
+          });
+          newMedia.push(...validated);
+        }
+      } catch (err) {
+        console.error('DB Google media fetch error:', err);
+      }
+
       // ─── NAS fetch ───
       const nasAccount = linkedAccounts.find((a) => a.service_type === 'NAS');
       if (nasAccount) {
@@ -89,10 +175,11 @@ const HomeScreen = ({ navigation, route }) => {
         console.log('iCloud: placeholder — would fetch photos here');
       }
 
-      const unique = Array.from(
-        new Map(newMedia.map((m) => [m.source_id || m.id || m.local_path, m])).values()
-      );
-      setAllMedia(unique);
+      // ─── Merge & cross-reference across services ───
+      // Match items across sources by filename so we can show "this photo
+      // exists on Device AND Google Photos" etc.
+      const merged = mergeMediaAcrossServices(newMedia);
+      setAllMedia(merged);
     } catch (err) {
       console.error('Error loading media:', err);
     } finally {
@@ -101,30 +188,125 @@ const HomeScreen = ({ navigation, route }) => {
     }
   };
 
+  // ─── Import from Google Photos (opens picker in browser) ───
+  const importGooglePhotos = async () => {
+    const googleAccount = linkedAccounts.find((a) => a.service_type === 'GOOGLE_PHOTOS');
+    if (!googleAccount) {
+      console.warn('No Google account linked');
+      return;
+    }
+
+    setImporting(true);
+    try {
+      const data = googleAccount.account_data || {};
+      const googleAuth = new GoogleAUTH();
+      googleAuth.accessToken = data.accessToken || null;
+      googleAuth.refreshToken = data.refreshToken || null;
+      googleAuth.expiresAt = data.expiresAt || 0;
+
+      let result = await googleAuth.pickPhotos();
+
+      // If 403 (stale scopes), auto re-auth and retry
+      if (result?.error?.code === 403) {
+        console.log('Stale token — re-authenticating…');
+        await googleAuth.revokeAccess();
+        const fresh = await googleAuth.authenticate();
+        await DatabaseService.linkAccount(userId, 'GOOGLE_PHOTOS', {
+          accessToken: fresh.accessToken,
+          refreshToken: fresh.refreshToken || null,
+          expiresAt: googleAuth.expiresAt,
+          email: fresh.email || data.email || 'google-user',
+        });
+        result = await googleAuth.pickPhotos();
+      }
+
+      if (result?.error) {
+        logError('Import Google Photos', result.error.message);
+      } else if (result?.mediaItems?.length) {
+        // Save imported items to DB so they persist across app restarts
+        for (const item of result.mediaItems) {
+          await DatabaseService.saveMediaItem(userId, item);
+        }
+
+        setGoogleNextPage(result.nextPageToken || null);
+        setGoogleSessionId(result.sessionId || null);
+
+        // Merge into current view with cross-service matching
+        setAllMedia((prev) => mergeMediaAcrossServices([...prev, ...result.mediaItems]));
+
+        console.log(`Imported ${result.mediaItems.length} photos from Google`);
+      }
+
+      // Persist refreshed tokens
+      if (googleAuth.accessToken && googleAuth.accessToken !== data.accessToken) {
+        await DatabaseService.linkAccount(userId, 'GOOGLE_PHOTOS', {
+          accessToken: googleAuth.accessToken,
+          refreshToken: googleAuth.refreshToken || data.refreshToken,
+          expiresAt: googleAuth.expiresAt,
+          email: data.email || 'google-user',
+        });
+      }
+    } catch (err) {
+      logError('Import Google Photos', err);
+    } finally {
+      setImporting(false);
+    }
+  };
+
   const filterMedia = () => {
     let filtered = allMedia;
     if (selectedFilter !== 'all') {
-      filtered = allMedia.filter((m) => m.source_service === selectedFilter);
+      // Check both source_service and the sources array for cross-service items
+      filtered = allMedia.filter((m) =>
+        m.source_service === selectedFilter ||
+        (m.sources && m.sources.includes(selectedFilter))
+      );
     }
     filtered.sort((a, b) => new Date(b.created_date || 0) - new Date(a.created_date || 0));
     setFilteredMedia(filtered);
   };
 
   const loadMorePhotos = async () => {
-    if (loadingMore || !deviceHasMore) return;
+    if (loadingMore) return;
+    const canLoadDevice = deviceHasMore;
+    const canLoadGoogle = !!googleNextPage && !!googleSessionId;
+    if (!canLoadDevice && !canLoadGoogle) return;
+
     setLoadingMore(true);
     try {
-      const result = await DeviceMediaService.getPhotos(100, deviceEndCursor);
-      if (result.mediaItems.length) {
-        setAllMedia((prev) => {
-          const combined = [...prev, ...result.mediaItems];
-          return Array.from(
-            new Map(combined.map((m) => [m.source_id || m.id || m.local_path, m])).values()
-          );
-        });
+      const moreMedia = [];
+
+      if (canLoadDevice) {
+        const result = await DeviceMediaService.getPhotos(100, deviceEndCursor);
+        if (result.mediaItems.length) moreMedia.push(...result.mediaItems);
+        setDeviceEndCursor(result.endCursor);
+        setDeviceHasMore(result.hasNextPage);
+      }
+
+      if (canLoadGoogle) {
+        const googleAccount = linkedAccounts.find((a) => a.service_type === 'GOOGLE_PHOTOS');
+        if (googleAccount) {
+          const data = googleAccount.account_data || {};
+          const googleAuth = new GoogleAUTH();
+          googleAuth.accessToken = data.accessToken || null;
+          googleAuth.refreshToken = data.refreshToken || null;
+          googleAuth.expiresAt = data.expiresAt || 0;
+
+          const photos = await googleAuth.getMorePhotos(100, googleNextPage, googleSessionId);
+          if (photos?.mediaItems?.length) {
+            moreMedia.push(...photos.mediaItems);
+            for (const item of photos.mediaItems) {
+              await DatabaseService.saveMediaItem(userId, item);
+            }
+          }
+          setGoogleNextPage(photos?.nextPageToken || null);
+          if (photos?.sessionId) setGoogleSessionId(photos.sessionId);
+        }
+      }
+
+      if (moreMedia.length) {
+        setAllMedia((prev) => mergeMediaAcrossServices([...prev, ...moreMedia]));
       }
-      setDeviceEndCursor(result.endCursor);
-      setDeviceHasMore(result.hasNextPage);
     } catch (err) {
       console.error('Error loading more photos:', err);
     } finally {
@@ -135,6 +317,8 @@ const HomeScreen = ({ navigation, route }) => {
   const getServiceIcon = (type) => ({ DEVICE: '📱', GOOGLE_PHOTOS: '📷', ICLOUD_PHOTOS: '🍎', NAS: '💾' }[type] || '📱');
   const getServiceName = (type) => ({ DEVICE: 'On Device', GOOGLE_PHOTOS: 'Google Photos', ICLOUD_PHOTOS: 'iCloud', NAS: 'NAS' }[type] || type);
 
+  const hasGoogleAccount = linkedAccounts.some((a) => a.service_type === 'GOOGLE_PHOTOS');
+
   if (loading && allMedia.length === 0) {
     return (
       <View style={[styles.centerContainer, { backgroundColor: theme.background }]}>
@@ -188,12 +372,33 @@ const HomeScreen = ({ navigation, route }) => {
 
       <FilterChips />
 
+      {/* Import from Google Photos button */}
+      {hasGoogleAccount && (
+        <TouchableOpacity
+          style={[styles.importButton, { backgroundColor: theme.primary }]}
+          onPress={importGooglePhotos}
+          disabled={importing}
+          activeOpacity={0.7}
+        >
+          {importing ? (
+            <ActivityIndicator size="small" color="#fff" />
+          ) : (
+            <>
+              <Text style={styles.importIcon}>📷</Text>
+              <Text style={styles.importText}>Import from Google Photos</Text>
+            </>
+          )}
+        </TouchableOpacity>
+      )}
+
       {filteredMedia.length === 0 ? (
         <View style={styles.centerContainer}>
           <Text style={{ fontSize: 56, marginBottom: 16 }}>📸</Text>
           <Text style={[styles.emptyTitle, { color: theme.text }]}>No Photos Yet</Text>
           <Text style={[styles.emptyText, { color: theme.textSecondary }]}>
-            Grant media library permission or take some photos to get started
+            {hasGoogleAccount
+              ? 'Tap "Import from Google Photos" above to select cloud photos,\nor grant media library permission to see on-device photos.'
+              : 'Grant media library permission or take some photos to get started'}
           </Text>
           <TouchableOpacity
             style={[styles.retryButton, { backgroundColor: theme.primary }]}
@@ -241,9 +446,17 @@ const styles = StyleSheet.create({
   },
   chipIcon: { fontSize: 11 },
   chipText: { fontSize: 12, fontWeight: '500', color: '#3c4043' },
+  // Import button
+  importButton: {
+    flexDirection: 'row', alignItems: 'center', justifyContent: 'center',
+    marginHorizontal: 12, marginVertical: 6, paddingVertical: 10, paddingHorizontal: 16,
+    borderRadius: 12, gap: 8, minHeight: 42,
+  },
+  importIcon: { fontSize: 16 },
+  importText: { color: '#fff', fontSize: 14, fontWeight: '600' },
   // Empty
   emptyTitle: { fontSize: 18, fontWeight: '600', marginBottom: 6 },
-  emptyText: { fontSize: 13, textAlign: 'center', marginBottom: 20 },
+  emptyText: { fontSize: 13, textAlign: 'center', marginBottom: 20, lineHeight: 20 },
   retryButton: { paddingHorizontal: 24, paddingVertical: 10, borderRadius: 20 },
   retryButtonText: { color: '#fff', fontSize: 14, fontWeight: '600' },
 });
diff --git a/src/services/DatabaseService.js b/src/services/DatabaseService.js
index fd35380..8655ce0 100644
--- a/src/services/DatabaseService.js
+++ b/src/services/DatabaseService.js
@@ -1,11 +1,19 @@
+// noinspection SqlNoDataSourceInspection,SqlResolve
+
+/**
+ * Database service — all tables are created at runtime by expo-sqlite.
+ * The IDE cannot resolve them statically; the SQL warnings are safe to ignore.
+ */
 import * as SQLite from 'expo-sqlite';
 import CredentialEncryption from './CredentialEncryption';
+import { logError } from './ErrorHandler';
 
 let db = null;
 let initPromise = null;
 
 const DatabaseService = {
-  // Open the database and create all tables
+  // ─── Initialisation ────────────────────────────────────────
+
   initDatabase: async () => {
     if (initPromise) return initPromise;
 
@@ -14,12 +22,17 @@ const DatabaseService = {
         if (db) return true;
 
         if (typeof SQLite.openDatabaseAsync !== 'function') {
-          throw new Error('SQLite openDatabaseAsync API not available');
+          logError('DB Init', 'SQLite openDatabaseAsync API not available');
+          return false;
         }
 
         db = await SQLite.openDatabaseAsync('PhotosApp.db');
-        if (!db) throw new Error('SQLite openDatabaseAsync returned null');
+        if (!db) {
+          logError('DB Init', 'SQLite openDatabaseAsync returned null');
+          return false;
+        }
 
+        // Create all tables in one batch
         await db.execAsync(`
           CREATE TABLE IF NOT EXISTS users (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -27,10 +40,7 @@ const DatabaseService = {
             email TEXT UNIQUE NOT NULL,
             password TEXT NOT NULL,
             created_at DATETIME DEFAULT CURRENT_TIMESTAMP
-          )
-        `);
-
-        await db.execAsync(`
+          );
           CREATE TABLE IF NOT EXISTS linked_accounts (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
             user_id INTEGER NOT NULL,
@@ -40,10 +50,7 @@ const DatabaseService = {
             is_default INTEGER DEFAULT 0,
             created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
             FOREIGN KEY(user_id) REFERENCES users(id)
-          )
-        `);
-
-        await db.execAsync(`
+          );
           CREATE TABLE IF NOT EXISTS media (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
             user_id INTEGER NOT NULL,
@@ -58,20 +65,20 @@ const DatabaseService = {
             synced INTEGER DEFAULT 0,
             created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
             FOREIGN KEY(user_id) REFERENCES users(id)
-          )
+          );
         `);
 
-        // Add optional columns (safe migration — errors ignored if columns already exist)
-        try { await db.execAsync(`ALTER TABLE users ADD COLUMN auto_backup_services TEXT DEFAULT '[]'`); } catch (_) {}
-        try { await db.execAsync(`ALTER TABLE users ADD COLUMN theme_preference TEXT DEFAULT 'light'`); } catch (_) {}
+        // Safe migrations — errors ignored if columns already exist
+        try { await db.execAsync("ALTER TABLE users ADD COLUMN auto_backup_services TEXT DEFAULT '[]'"); } catch (_) {}
+        try { await db.execAsync("ALTER TABLE users ADD COLUMN theme_preference TEXT DEFAULT 'light'"); } catch (_) {}
 
         console.log('Database initialized successfully');
         return true;
       } catch (error) {
-        console.error('Database initialization error:', error);
+        logError('DB Init', error);
         db = null;
         initPromise = null;
-        throw error;
+        return false;
       }
     })();
 
@@ -80,12 +87,18 @@ const DatabaseService = {
 
   ensureDb: async () => {
     await DatabaseService.initDatabase();
-    if (!db) throw new Error('Database not initialized');
+    if (!db) {
+      logError('DB', 'Database not initialized');
+      return false;
+    }
+    return true;
   },
 
+  // ─── Users ─────────────────────────────────────────────────
+
   createUser: async (username, email, password) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return null;
       const hashedPassword = await CredentialEncryption.hashPassword(password);
       const result = await db.runAsync(
         'INSERT INTO users (username, email, password) VALUES (?, ?, ?)',
@@ -93,98 +106,111 @@ const DatabaseService = {
       );
       return result.lastInsertRowId;
     } catch (error) {
-      console.error('Error creating user:', error);
-      throw error;
+      logError('Create User', error);
+      return null;
     }
   },
 
-  // Authenticate by username or email
   loginUser: async (identifier, password) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return null;
       const row = await db.getFirstAsync(
         'SELECT * FROM users WHERE username = ? OR email = ?',
         [identifier, identifier]
       );
       if (!row) return null;
-
       const valid = await CredentialEncryption.verifyPassword(password, row.password);
-      if (!valid) return null;
-
-      return row;
+      return valid ? row : null;
     } catch (error) {
-      console.error('Error logging in user:', error);
-      throw error;
+      logError('Login User', error);
+      return null;
     }
   },
 
   userExists: async (username, email) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return false;
       const row = await db.getFirstAsync(
         'SELECT id FROM users WHERE username = ? OR email = ?',
         [username, email]
       );
       return !!row;
     } catch (error) {
-      console.error('Error checking if user exists:', error);
-      throw error;
+      logError('User Exists', error);
+      return false;
     }
   },
 
   getUserById: async (userId) => {
     try {
-      await DatabaseService.ensureDb();
-      if (!userId && userId !== 0) throw new Error('User ID is required');
+      if (!(await DatabaseService.ensureDb())) return null;
+      if (!userId && userId !== 0) {
+        logError('Get User', 'User ID is required');
+        return null;
+      }
       return (await db.getFirstAsync('SELECT * FROM users WHERE id = ?', [userId])) || null;
     } catch (error) {
-      console.error('Error getting user:', error);
-      throw error;
+      logError('Get User', error);
+      return null;
     }
   },
 
-  // Link an external service account (Google, iCloud, NAS) to a local user
+  // ─── Linked Accounts ──────────────────────────────────────
+
   linkAccount: async (userId, serviceType, accountData, isDefault = false) => {
     try {
-      await DatabaseService.ensureDb();
-      if (!userId) throw new Error('User ID is required');
-      if (!serviceType) throw new Error('Service type is required');
-      if (!accountData || typeof accountData !== 'object') throw new Error('Account data must be a valid object');
+      if (!(await DatabaseService.ensureDb())) return null;
+      if (!userId || !serviceType || !accountData || typeof accountData !== 'object') {
+        logError('Link Account', 'userId, serviceType, and accountData object are required');
+        return null;
+      }
 
       const encryptedData = CredentialEncryption.encrypt(accountData);
-      if (!encryptedData) throw new Error('Encryption returned empty data');
+      if (!encryptedData) {
+        logError('Link Account', 'Encryption returned empty data');
+        return null;
+      }
 
       // Replace any existing link for the same service type
-      await db.runAsync('DELETE FROM linked_accounts WHERE user_id = ? AND service_type = ?', [userId, serviceType]);
-
+      await db.runAsync(
+        'DELETE FROM linked_accounts WHERE user_id = ? AND service_type = ?',
+        [userId, serviceType]
+      );
       const result = await db.runAsync(
         'INSERT INTO linked_accounts (user_id, service_type, account_data, is_default) VALUES (?, ?, ?, ?)',
         [userId, serviceType, encryptedData, isDefault ? 1 : 0]
       );
       return result.lastInsertRowId;
     } catch (error) {
-      console.error('Error linking account:', error);
-      throw new Error('Failed to link account: ' + error.message);
+      logError('Link Account', error);
+      return null;
     }
   },
 
   getLinkedAccounts: async (userId) => {
     try {
-      await DatabaseService.ensureDb();
-      if (!userId && userId !== 0) throw new Error('User ID is required');
+      if (!(await DatabaseService.ensureDb())) return [];
+      if (!userId && userId !== 0) {
+        logError('Get Linked Accounts', 'User ID is required');
+        return [];
+      }
       const rows = await db.getAllAsync(
-        'SELECT * FROM linked_accounts WHERE user_id = ? AND is_enabled = 1', [userId]
+        'SELECT * FROM linked_accounts WHERE user_id = ? AND is_enabled = 1',
+        [userId]
       );
-      return rows.map((row) => ({ ...row, account_data: CredentialEncryption.decrypt(row.account_data) }));
+      return rows.map((row) => ({
+        ...row,
+        account_data: CredentialEncryption.decrypt(row.account_data),
+      }));
     } catch (error) {
-      console.error('Error getting linked accounts:', error);
-      throw error;
+      logError('Get Linked Accounts', error);
+      return [];
     }
   },
 
   getLinkedAccountByService: async (userId, serviceType) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return null;
       const row = await db.getFirstAsync(
         'SELECT * FROM linked_accounts WHERE user_id = ? AND service_type = ? AND is_enabled = 1',
         [userId, serviceType]
@@ -192,40 +218,83 @@ const DatabaseService = {
       if (!row) return null;
       return { ...row, account_data: CredentialEncryption.decrypt(row.account_data) };
     } catch (error) {
-      console.error('Error getting linked account:', error);
-      throw error;
+      logError('Get Linked Account By Service', error);
+      return null;
     }
   },
 
   setDefaultService: async (userId, accountId) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return;
       await db.runAsync('UPDATE linked_accounts SET is_default = 0 WHERE user_id = ?', [userId]);
       await db.runAsync('UPDATE linked_accounts SET is_default = 1 WHERE id = ? AND user_id = ?', [accountId, userId]);
     } catch (error) {
-      console.error('Error setting default service:', error);
-      throw error;
+      logError('Set Default Service', error);
     }
   },
 
   getDefaultService: async (userId) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return null;
       const row = await db.getFirstAsync(
-        'SELECT * FROM linked_accounts WHERE user_id = ? AND is_default = 1', [userId]
+        'SELECT * FROM linked_accounts WHERE user_id = ? AND is_default = 1',
+        [userId]
       );
       if (!row) return null;
       return { ...row, account_data: CredentialEncryption.decrypt(row.account_data) };
     } catch (error) {
-      console.error('Error getting default service:', error);
-      throw error;
+      logError('Get Default Service', error);
+      return null;
     }
   },
 
+  toggleAccountEnabled: async (accountId, enabled) => {
+    try {
+      if (!(await DatabaseService.ensureDb())) return;
+      await db.runAsync(
+        'UPDATE linked_accounts SET is_enabled = ? WHERE id = ?',
+        [enabled ? 1 : 0, accountId]
+      );
+    } catch (error) {
+      logError('Toggle Account', error);
+    }
+  },
+
+  removeLinkedAccount: async (accountId) => {
+    try {
+      if (!(await DatabaseService.ensureDb())) return;
+      await db.runAsync('DELETE FROM linked_accounts WHERE id = ?', [accountId]);
+    } catch (error) {
+      logError('Remove Account', error);
+    }
+  },
+
+  getAllLinkedAccounts: async (userId) => {
+    try {
+      if (!(await DatabaseService.ensureDb())) return [];
+      const rows = await db.getAllAsync(
+        'SELECT * FROM linked_accounts WHERE user_id = ?',
+        [userId]
+      );
+      return rows.map((row) => ({
+        ...row,
+        account_data: CredentialEncryption.decrypt(row.account_data),
+      }));
+    } catch (error) {
+      logError('Get All Linked Accounts', error);
+      return [];
+    }
+  },
+
+  // ─── Media ─────────────────────────────────────────────────
+
   addMedia: async (userId, sourceService, sourceId, title, description, localPath, remotePath, mediaType, createdDate) => {
     try {
-      await DatabaseService.ensureDb();
-      if (!userId || !sourceService) throw new Error('userId and sourceService are required');
+      if (!(await DatabaseService.ensureDb())) return null;
+      if (!userId || !sourceService) {
+        logError('Add Media', 'userId and sourceService are required');
+        return null;
+      }
       const result = await db.runAsync(
         `INSERT INTO media (user_id, source_service, source_id, title, description, local_path, remote_path, media_type, created_date)
          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
@@ -234,109 +303,126 @@ const DatabaseService = {
       );
       return result.lastInsertRowId;
     } catch (error) {
-      console.error('Error adding media:', error);
-      throw error;
+      logError('Add Media', error);
+      return null;
+    }
+  },
+
+  /**
+   * Save a normalised media item object to the DB.
+   * Skips duplicates (same user_id + source_id).
+   */
+  saveMediaItem: async (userId, item) => {
+    try {
+      if (!(await DatabaseService.ensureDb())) return null;
+      if (!userId || !item?.source_service) return null;
+
+      // Skip if already exists
+      if (item.source_id) {
+        const existing = await db.getFirstAsync(
+          'SELECT id FROM media WHERE user_id = ? AND source_id = ?',
+          [userId, item.source_id]
+        );
+        if (existing) return existing.id;
+      }
+
+      const result = await db.runAsync(
+        `INSERT INTO media (user_id, source_service, source_id, title, description, local_path, remote_path, media_type, created_date)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+        [userId, item.source_service, item.source_id || null, item.title || null,
+         item.description || null, item.local_path || null, item.remote_path || null,
+         item.media_type || null, item.created_date || null]
+      );
+      return result.lastInsertRowId;
+    } catch (error) {
+      logError('Save Media Item', error);
+      return null;
     }
   },
 
   getMediaByUser: async (userId) => {
     try {
-      await DatabaseService.ensureDb();
-      if (!userId && userId !== 0) throw new Error('User ID is required');
-      return await db.getAllAsync('SELECT * FROM media WHERE user_id = ? ORDER BY created_date DESC', [userId]);
+      if (!(await DatabaseService.ensureDb())) return [];
+      if (!userId && userId !== 0) {
+        logError('Get Media', 'User ID is required');
+        return [];
+      }
+      return await db.getAllAsync(
+        'SELECT * FROM media WHERE user_id = ? ORDER BY created_date DESC',
+        [userId]
+      );
     } catch (error) {
-      console.error('Error getting media:', error);
-      throw error;
+      logError('Get Media', error);
+      return [];
     }
   },
 
   getMediaByService: async (userId, serviceType) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return [];
       return await db.getAllAsync(
         'SELECT * FROM media WHERE user_id = ? AND source_service = ? ORDER BY created_date DESC',
         [userId, serviceType]
       );
     } catch (error) {
-      console.error('Error getting media by service:', error);
-      throw error;
+      logError('Get Media By Service', error);
+      return [];
     }
   },
 
   searchMedia: async (userId, query) => {
     try {
-      await DatabaseService.ensureDb();
+      if (!(await DatabaseService.ensureDb())) return [];
       const searchTerm = `%${query}%`;
       return await db.getAllAsync(
         'SELECT * FROM media WHERE user_id = ? AND (title LIKE ? OR description LIKE ?) ORDER BY created_date DESC',
         [userId, searchTerm, searchTerm]
       );
     } catch (error) {
-      console.error('Error searching media:', error);
-      throw error;
+      logError('Search Media', error);
+      return [];
     }
   },
 
+  // ─── Settings ──────────────────────────────────────────────
+
   getAutoBackupServices: async (userId) => {
     try {
-      await DatabaseService.ensureDb();
-      const row = await db.getFirstAsync('SELECT auto_backup_services FROM users WHERE id = ?', [userId]);
+      if (!(await DatabaseService.ensureDb())) return [];
+      const row = await db.getFirstAsync(
+        'SELECT auto_backup_services FROM users WHERE id = ?',
+        [userId]
+      );
       if (!row?.auto_backup_services) return [];
       return JSON.parse(row.auto_backup_services);
     } catch (error) {
-      console.error('Error getting auto backup services:', error);
+      logError('Get Auto Backup', error);
       return [];
     }
   },
 
   setAutoBackupServices: async (userId, services) => {
     try {
-      await DatabaseService.ensureDb();
-      await db.runAsync('UPDATE users SET auto_backup_services = ? WHERE id = ?', [JSON.stringify(services), userId]);
+      if (!(await DatabaseService.ensureDb())) return;
+      await db.runAsync(
+        'UPDATE users SET auto_backup_services = ? WHERE id = ?',
+        [JSON.stringify(services), userId]
+      );
     } catch (error) {
-      console.error('Error setting auto backup services:', error);
-      throw error;
+      logError('Set Auto Backup', error);
     }
   },
 
-  toggleAccountEnabled: async (accountId, enabled) => {
-    try {
-      await DatabaseService.ensureDb();
-      await db.runAsync('UPDATE linked_accounts SET is_enabled = ? WHERE id = ?', [enabled ? 1 : 0, accountId]);
-    } catch (error) {
-      console.error('Error toggling account:', error);
-      throw error;
-    }
-  },
-
-  removeLinkedAccount: async (accountId) => {
-    try {
-      await DatabaseService.ensureDb();
-      await db.runAsync('DELETE FROM linked_accounts WHERE id = ?', [accountId]);
-    } catch (error) {
-      console.error('Error removing account:', error);
-      throw error;
-    }
-  },
-
-  getAllLinkedAccounts: async (userId) => {
-    try {
-      await DatabaseService.ensureDb();
-      const rows = await db.getAllAsync('SELECT * FROM linked_accounts WHERE user_id = ?', [userId]);
-      return rows.map((row) => ({ ...row, account_data: CredentialEncryption.decrypt(row.account_data) }));
-    } catch (error) {
-      console.error('Error getting all linked accounts:', error);
-      throw error;
-    }
-  },
+  // ─── Lifecycle ─────────────────────────────────────────────
 
   closeDatabase: async () => {
     try {
       if (db?.closeAsync) await db.closeAsync();
+    } catch (error) {
+      logError('Close DB', error);
+    } finally {
       db = null;
       initPromise = null;
-    } catch (error) {
-      console.error('Error closing database:', error);
     }
   },
 };
diff --git a/src/services/ErrorHandler.js b/src/services/ErrorHandler.js
new file mode 100644
index 0000000..81fb917
--- /dev/null
+++ b/src/services/ErrorHandler.js
@@ -0,0 +1,36 @@
+import { Alert } from 'react-native';
+
+/**
+ * Centralised error handler for the app.
+ *
+ * Usage:
+ *   import { logError, alertError } from '../services/ErrorHandler';
+ *
+ *   logError('Google Auth', error);          // console.error only
+ *   alertError('Upload Failed', error);      // Alert + console.error
+ */
+
+/**
+ * Log an error to the console with a contextual tag.
+ * @param {string} tag   – short label, e.g. 'Google Auth', 'NAS'
+ * @param {Error|string} error
+ */
+export const logError = (tag, error) => {
+  const message = error instanceof Error ? error.message : String(error);
+  console.error(`[${tag}] ${message}`);
+};
+
+/**
+ * Show a user-facing Alert AND log to the console.
+ * @param {string} title – Alert title
+ * @param {Error|string} error
+ * @param {Array}  [buttons] – optional Alert button array
+ */
+export const alertError = (title, error, buttons) => {
+  const message = error instanceof Error ? error.message : String(error);
+  console.error(`[${title}] ${message}`);
+  Alert.alert(title, message, buttons || [{ text: 'OK' }]);
+};
+
+export default { logError, alertError };
+