diff --git a/mobile/lib/modules/asset_viewer/ui/remote_photo_view.dart b/mobile/lib/modules/asset_viewer/ui/remote_photo_view.dart
index b52ef90026..6e6ecb45da 100644
--- a/mobile/lib/modules/asset_viewer/ui/remote_photo_view.dart
+++ b/mobile/lib/modules/asset_viewer/ui/remote_photo_view.dart
@@ -1,5 +1,4 @@
 import 'package:cached_network_image/cached_network_image.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
 
@@ -58,14 +57,6 @@ class _RemotePhotoViewState extends State<RemotePhotoView> {
     widget.isZoomedFunction();
   }
 
-  void _fireStartLoadingEvent() {
-    widget.onLoadingStart();
-  }
-
-  void _fireFinishedLoadingEvent() {
-    widget.onLoadingCompleted();
-  }
-
   CachedNetworkImageProvider _authorizedImageProvider(
     String url,
     String cacheKey,
@@ -94,12 +85,6 @@ class _RemotePhotoViewState extends State<RemotePhotoView> {
 
     if (!mounted) return;
 
-    if (newStatus != _RemoteImageStatus.full) {
-      _fireStartLoadingEvent();
-    } else {
-      _fireFinishedLoadingEvent();
-    }
-
     setState(() {
       _status = newStatus;
       _imageProvider = provider;
@@ -147,21 +132,23 @@ class _RemotePhotoViewState extends State<RemotePhotoView> {
 
   @override
   void initState() {
-    _loadImages();
     super.initState();
+    _loadImages();
   }
 
   @override
   void dispose() async {
     super.dispose();
-    await thumbnailProvider.evict();
-    await fullProvider.evict();
 
-    if (widget.previewUrl != null) {
+    if (_status == _RemoteImageStatus.full) {
+      await fullProvider.evict();
+    } else if (_status == _RemoteImageStatus.preview) {
       await previewProvider.evict();
+    } else if (_status == _RemoteImageStatus.thumbnail) {
+      await thumbnailProvider.evict();
     }
 
-    _imageProvider.evict();
+    await _imageProvider.evict();
   }
 }
 
@@ -176,8 +163,6 @@ class RemotePhotoView extends StatefulWidget {
     required this.onSwipeDown,
     required this.onSwipeUp,
     this.previewUrl,
-    required this.onLoadingCompleted,
-    required this.onLoadingStart,
     required this.cacheKey,
   }) : super(key: key);
 
@@ -185,8 +170,6 @@ class RemotePhotoView extends StatefulWidget {
   final String imageUrl;
   final String authToken;
   final String? previewUrl;
-  final Function onLoadingCompleted;
-  final Function onLoadingStart;
   final String cacheKey;
 
   final void Function() onSwipeDown;
diff --git a/mobile/lib/modules/asset_viewer/ui/top_control_app_bar.dart b/mobile/lib/modules/asset_viewer/ui/top_control_app_bar.dart
index 6fc722e0dc..3c23d9fe8b 100644
--- a/mobile/lib/modules/asset_viewer/ui/top_control_app_bar.dart
+++ b/mobile/lib/modules/asset_viewer/ui/top_control_app_bar.dart
@@ -24,11 +24,9 @@ class TopControlAppBar extends ConsumerWidget with PreferredSizeWidget {
     double iconSize = 18.0;
 
     return AppBar(
-      // iconTheme: IconThemeData(color: Colors.grey[100]),
-      // actionsIconTheme: IconThemeData(color: Colors.grey[100]),
       foregroundColor: Colors.grey[100],
       toolbarHeight: 60,
-      backgroundColor: Colors.black,
+      backgroundColor: Colors.transparent,
       leading: IconButton(
         onPressed: () {
           AutoRouter.of(context).pop();
diff --git a/mobile/lib/modules/asset_viewer/views/gallery_viewer.dart b/mobile/lib/modules/asset_viewer/views/gallery_viewer.dart
index 5b805a48d9..ab7bde1b7a 100644
--- a/mobile/lib/modules/asset_viewer/views/gallery_viewer.dart
+++ b/mobile/lib/modules/asset_viewer/views/gallery_viewer.dart
@@ -121,8 +121,6 @@ class GalleryViewerPage extends HookConsumerWidget {
                 authToken: 'Bearer ${box.get(accessTokenKey)}',
                 isZoomedFunction: isZoomedMethod,
                 isZoomedListener: isZoomedListener,
-                onLoadingCompleted: () => {},
-                onLoadingStart: () => {},
                 asset: assetList[index],
                 heroTag: assetList[index].id,
                 threeStageLoading: threeStageLoading.value,
diff --git a/mobile/lib/modules/asset_viewer/views/image_viewer_page.dart b/mobile/lib/modules/asset_viewer/views/image_viewer_page.dart
index 95a71b1ec8..34d7d1e019 100644
--- a/mobile/lib/modules/asset_viewer/views/image_viewer_page.dart
+++ b/mobile/lib/modules/asset_viewer/views/image_viewer_page.dart
@@ -18,8 +18,6 @@ class ImageViewerPage extends HookConsumerWidget {
   final String authToken;
   final ValueNotifier<bool> isZoomedListener;
   final void Function() isZoomedFunction;
-  final void Function() onLoadingCompleted;
-  final void Function() onLoadingStart;
   final bool threeStageLoading;
 
   ImageViewerPage({
@@ -29,8 +27,6 @@ class ImageViewerPage extends HookConsumerWidget {
     required this.authToken,
     required this.isZoomedFunction,
     required this.isZoomedListener,
-    required this.onLoadingCompleted,
-    required this.onLoadingStart,
     required this.threeStageLoading,
   }) : super(key: key);
 
@@ -83,8 +79,6 @@ class ImageViewerPage extends HookConsumerWidget {
               isZoomedListener: isZoomedListener,
               onSwipeDown: () => AutoRouter.of(context).pop(),
               onSwipeUp: () => showInfo(),
-              onLoadingCompleted: onLoadingCompleted,
-              onLoadingStart: onLoadingStart,
             ),
           ),
         ),
diff --git a/mobile/lib/modules/backup/models/available_album.model.dart b/mobile/lib/modules/backup/models/available_album.model.dart
index 2ddbe1c70b..7469581bf2 100644
--- a/mobile/lib/modules/backup/models/available_album.model.dart
+++ b/mobile/lib/modules/backup/models/available_album.model.dart
@@ -26,7 +26,7 @@ class AvailableAlbum {
 
   String get name => albumEntity.name;
 
-  int get assetCount => albumEntity.assetCount;
+  Future<int> get assetCount => albumEntity.assetCountAsync;
 
   String get id => albumEntity.id;
 
diff --git a/mobile/lib/modules/backup/providers/backup.provider.dart b/mobile/lib/modules/backup/providers/backup.provider.dart
index e4a43d5a2f..7c628aedcf 100644
--- a/mobile/lib/modules/backup/providers/backup.provider.dart
+++ b/mobile/lib/modules/backup/providers/backup.provider.dart
@@ -183,17 +183,21 @@ class BackupNotifier extends StateNotifier<BackUpState> {
     for (AssetPathEntity album in albums) {
       AvailableAlbum availableAlbum = AvailableAlbum(albumEntity: album);
 
-      var assetList =
-          await album.getAssetListRange(start: 0, end: album.assetCount);
+      var assetCountInAlbum = await album.assetCountAsync;
+      if (assetCountInAlbum > 0) {
+        var assetList =
+            await album.getAssetListRange(start: 0, end: assetCountInAlbum);
 
-      if (assetList.isNotEmpty) {
-        var thumbnailAsset = assetList.first;
-        var thumbnailData = await thumbnailAsset
-            .thumbnailDataWithSize(const ThumbnailSize(512, 512));
-        availableAlbum = availableAlbum.copyWith(thumbnailData: thumbnailData);
+        if (assetList.isNotEmpty) {
+          var thumbnailAsset = assetList.first;
+          var thumbnailData = await thumbnailAsset
+              .thumbnailDataWithSize(const ThumbnailSize(512, 512));
+          availableAlbum =
+              availableAlbum.copyWith(thumbnailData: thumbnailData);
+        }
+
+        availableAlbums.add(availableAlbum);
       }
-
-      availableAlbums.add(availableAlbum);
     }
 
     state = state.copyWith(availableAlbums: availableAlbums);
@@ -296,14 +300,18 @@ class BackupNotifier extends StateNotifier<BackUpState> {
     Set<AssetEntity> assetsFromExcludedAlbums = {};
 
     for (var album in state.selectedBackupAlbums) {
-      var assets = await album.albumEntity
-          .getAssetListRange(start: 0, end: album.assetCount);
+      var assets = await album.albumEntity.getAssetListRange(
+        start: 0,
+        end: await album.albumEntity.assetCountAsync,
+      );
       assetsFromSelectedAlbums.addAll(assets);
     }
 
     for (var album in state.excludedBackupAlbums) {
-      var assets = await album.albumEntity
-          .getAssetListRange(start: 0, end: album.assetCount);
+      var assets = await album.albumEntity.getAssetListRange(
+        start: 0,
+        end: await album.albumEntity.assetCountAsync,
+      );
       assetsFromExcludedAlbums.addAll(assets);
     }
 
@@ -353,11 +361,8 @@ class BackupNotifier extends StateNotifier<BackUpState> {
     final bool isEnabled = await _backgroundService.isBackgroundBackupEnabled();
     state = state.copyWith(backgroundBackup: isEnabled);
     if (state.backupProgress != BackUpProgressEnum.inBackground) {
-      await Future.wait([
-        _getBackupAlbumsInfo(),
-        _updateServerInfo(),
-      ]);
-
+      await _getBackupAlbumsInfo();
+      await _updateServerInfo();
       await _updateBackupAssetCount();
     }
   }
diff --git a/mobile/lib/modules/backup/ui/album_info_card.dart b/mobile/lib/modules/backup/ui/album_info_card.dart
index 9350206fb4..51b48f8fe2 100644
--- a/mobile/lib/modules/backup/ui/album_info_card.dart
+++ b/mobile/lib/modules/backup/ui/album_info_card.dart
@@ -1,5 +1,3 @@
-import 'dart:typed_data';
-
 import 'package:auto_route/auto_route.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
@@ -205,15 +203,23 @@ class AlbumInfoCard extends HookConsumerWidget {
                           ),
                           Padding(
                             padding: const EdgeInsets.only(top: 2.0),
-                            child: Text(
-                              albumInfo.assetCount.toString() +
-                                  (albumInfo.isAll
-                                      ? " (${'backup_all'.tr()})"
-                                      : ""),
-                              style: TextStyle(
-                                fontSize: 12,
-                                color: Colors.grey[600],
-                              ),
+                            child: FutureBuilder(
+                              builder: ((context, snapshot) {
+                                if (snapshot.hasData) {
+                                  return Text(
+                                    snapshot.data.toString() +
+                                        (albumInfo.isAll
+                                            ? " (${'backup_all'.tr()})"
+                                            : ""),
+                                    style: TextStyle(
+                                      fontSize: 12,
+                                      color: Colors.grey[600],
+                                    ),
+                                  );
+                                }
+                                return const Text("0");
+                              }),
+                              future: albumInfo.assetCount,
                             ),
                           )
                         ],
diff --git a/mobile/lib/modules/home/ui/thumbnail_image.dart b/mobile/lib/modules/home/ui/thumbnail_image.dart
index cc0bc0e868..2b8853222c 100644
--- a/mobile/lib/modules/home/ui/thumbnail_image.dart
+++ b/mobile/lib/modules/home/ui/thumbnail_image.dart
@@ -32,7 +32,7 @@ class ThumbnailImage extends HookConsumerWidget {
         ref.watch(homePageStateProvider).isMultiSelectEnable;
     var deviceId = ref.watch(authenticationProvider).deviceId;
 
-    Widget _buildSelectionIcon(AssetResponseDto asset) {
+    Widget buildSelectionIcon(AssetResponseDto asset) {
       if (selectedAsset.contains(asset)) {
         return Icon(
           Icons.check_circle,
@@ -48,7 +48,6 @@ class ThumbnailImage extends HookConsumerWidget {
 
     return GestureDetector(
       onTap: () {
-        debugPrint("View ${asset.id}");
         if (isMultiSelectEnable &&
             selectedAsset.contains(asset) &&
             selectedAsset.length == 1) {
@@ -91,10 +90,12 @@ class ThumbnailImage extends HookConsumerWidget {
                     : const Border(),
               ),
               child: CachedNetworkImage(
-                cacheKey: asset.id,
+                cacheKey: 'thumbnail-image-${asset.id}',
                 width: 300,
                 height: 300,
-                memCacheHeight: asset.type == AssetTypeEnum.IMAGE ? 250 : 400,
+                memCacheHeight: 200,
+                maxWidthDiskCache: 200,
+                maxHeightDiskCache: 200,
                 fit: BoxFit.cover,
                 imageUrl: thumbnailRequestUrl,
                 httpHeaders: {
@@ -109,7 +110,9 @@ class ThumbnailImage extends HookConsumerWidget {
                   ),
                 ),
                 errorWidget: (context, url, error) {
-                  // debugPrint("Error getting thumbnail $url = $error");
+                  debugPrint("Error getting thumbnail $url = $error");
+                  CachedNetworkImage.evictFromCache(thumbnailRequestUrl);
+
                   return Icon(
                     Icons.image_not_supported_outlined,
                     color: Theme.of(context).primaryColor,
@@ -122,7 +125,7 @@ class ThumbnailImage extends HookConsumerWidget {
                 padding: const EdgeInsets.all(3.0),
                 child: Align(
                   alignment: Alignment.topLeft,
-                  child: _buildSelectionIcon(asset),
+                  child: buildSelectionIcon(asset),
                 ),
               ),
             if (showStorageIndicator)
diff --git a/mobile/lib/routing/router.gr.dart b/mobile/lib/routing/router.gr.dart
index dd8faecd0a..4d2132e612 100644
--- a/mobile/lib/routing/router.gr.dart
+++ b/mobile/lib/routing/router.gr.dart
@@ -59,8 +59,6 @@ class _$AppRouter extends RootStackRouter {
               authToken: args.authToken,
               isZoomedFunction: args.isZoomedFunction,
               isZoomedListener: args.isZoomedListener,
-              onLoadingCompleted: args.onLoadingCompleted,
-              onLoadingStart: args.onLoadingStart,
               threeStageLoading: args.threeStageLoading));
     },
     VideoViewerRoute.name: (routeData) {
@@ -297,8 +295,6 @@ class ImageViewerRoute extends PageRouteInfo<ImageViewerRouteArgs> {
       required String authToken,
       required void Function() isZoomedFunction,
       required ValueNotifier<bool> isZoomedListener,
-      required void Function() onLoadingCompleted,
-      required void Function() onLoadingStart,
       required bool threeStageLoading})
       : super(ImageViewerRoute.name,
             path: '/image-viewer-page',
@@ -309,8 +305,6 @@ class ImageViewerRoute extends PageRouteInfo<ImageViewerRouteArgs> {
                 authToken: authToken,
                 isZoomedFunction: isZoomedFunction,
                 isZoomedListener: isZoomedListener,
-                onLoadingCompleted: onLoadingCompleted,
-                onLoadingStart: onLoadingStart,
                 threeStageLoading: threeStageLoading));
 
   static const String name = 'ImageViewerRoute';
@@ -324,8 +318,6 @@ class ImageViewerRouteArgs {
       required this.authToken,
       required this.isZoomedFunction,
       required this.isZoomedListener,
-      required this.onLoadingCompleted,
-      required this.onLoadingStart,
       required this.threeStageLoading});
 
   final Key? key;
@@ -340,15 +332,11 @@ class ImageViewerRouteArgs {
 
   final ValueNotifier<bool> isZoomedListener;
 
-  final void Function() onLoadingCompleted;
-
-  final void Function() onLoadingStart;
-
   final bool threeStageLoading;
 
   @override
   String toString() {
-    return 'ImageViewerRouteArgs{key: $key, heroTag: $heroTag, asset: $asset, authToken: $authToken, isZoomedFunction: $isZoomedFunction, isZoomedListener: $isZoomedListener, onLoadingCompleted: $onLoadingCompleted, onLoadingStart: $onLoadingStart, threeStageLoading: $threeStageLoading}';
+    return 'ImageViewerRouteArgs{key: $key, heroTag: $heroTag, asset: $asset, authToken: $authToken, isZoomedFunction: $isZoomedFunction, isZoomedListener: $isZoomedListener, threeStageLoading: $threeStageLoading}';
   }
 }
 
diff --git a/mobile/openapi/lib/model/asset_response_dto.dart b/mobile/openapi/lib/model/asset_response_dto.dart
index 8d76bbe748..21dcce7595 100644
--- a/mobile/openapi/lib/model/asset_response_dto.dart
+++ b/mobile/openapi/lib/model/asset_response_dto.dart
@@ -177,10 +177,8 @@ class AssetResponseDto {
       // Note 2: this code is stripped in release mode!
       // assert(() {
       //   requiredKeys.forEach((key) {
-      //     assert(json.containsKey(key),
-      //         'Required key "AssetResponseDto[$key]" is missing from JSON.');
-      //     assert(json[key] != null,
-      //         'Required key "AssetResponseDto[$key]" has a null value in JSON.');
+      //     assert(json.containsKey(key), 'Required key "AssetResponseDto[$key]" is missing from JSON.');
+      //     assert(json[key] != null, 'Required key "AssetResponseDto[$key]" has a null value in JSON.');
       //   });
       //   return true;
       // }());
diff --git a/mobile/pubspec.lock b/mobile/pubspec.lock
index 6ec6780403..b5feac2f85 100644
--- a/mobile/pubspec.lock
+++ b/mobile/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "38.0.0"
+    version: "47.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.4.1"
+    version: "4.7.0"
   archive:
     dependency: transitive
     description:
@@ -42,14 +42,14 @@ packages:
       name: auto_route
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
+    version: "5.0.1"
   auto_route_generator:
     dependency: "direct dev"
     description:
       name: auto_route_generator
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "5.0.2"
   badges:
     dependency: "direct main"
     description:
@@ -77,7 +77,7 @@ packages:
       name: build_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.0"
   build_daemon:
     dependency: transitive
     description:
@@ -98,7 +98,7 @@ packages:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.10"
+    version: "2.2.1"
   build_runner_core:
     dependency: transitive
     description:
@@ -162,13 +162,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -322,7 +315,7 @@ packages:
     source: hosted
     version: "0.6.8"
   flutter_cache_manager:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: flutter_cache_manager
       url: "https://pub.dartlang.org"
@@ -461,7 +454,7 @@ packages:
       name: hive_generator
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.1.3"
   hooks_riverpod:
     dependency: "direct main"
     description:
@@ -503,7 +496,7 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.3"
+    version: "3.2.0"
   image_picker:
     dependency: "direct main"
     description:
@@ -783,7 +776,7 @@ packages:
       name: photo_manager
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0+2"
+    version: "2.2.1"
   photo_view:
     dependency: "direct main"
     description:
@@ -1139,20 +1132,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.1"
-  universal_html:
-    dependency: transitive
-    description:
-      name: universal_html
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.8"
-  universal_io:
-    dependency: transitive
-    description:
-      name: universal_io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.4"
   url_launcher:
     dependency: "direct main"
     description:
@@ -1334,7 +1313,7 @@ packages:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.4.1"
+    version: "6.1.0"
   yaml:
     dependency: transitive
     description:
diff --git a/mobile/pubspec.yaml b/mobile/pubspec.yaml
index e59a2d7df5..6923b5a316 100644
--- a/mobile/pubspec.yaml
+++ b/mobile/pubspec.yaml
@@ -11,7 +11,7 @@ dependencies:
   flutter:
     sdk: flutter
 
-  photo_manager: ^2.0.6
+  photo_manager: ^2.2.1
   flutter_hooks: ^0.18.0
   hooks_riverpod: ^2.0.0-dev.0
   hive: ^2.2.1
@@ -20,7 +20,7 @@ dependencies:
   cached_network_image: ^3.2.2
   percent_indicator: ^4.2.2
   intl: ^0.17.0
-  auto_route: ^4.0.1
+  auto_route: ^5.0.1
   exif: ^3.1.1
   transparent_image: ^2.0.0
   flutter_launcher_icons: "^0.9.2"
@@ -43,7 +43,6 @@ dependencies:
   easy_localization: ^3.0.1
   share_plus: ^4.0.10
   flutter_displaymode: ^0.4.0
-  flutter_cache_manager: 3.3.0
 
   path: ^1.8.1
   path_provider: ^2.0.11
@@ -59,8 +58,8 @@ dev_dependencies:
     sdk: flutter
   flutter_lints: ^2.0.1
   hive_generator: ^1.1.2
-  build_runner: ^2.1.7
-  auto_route_generator: ^4.0.0
+  build_runner: ^2.2.1
+  auto_route_generator: ^5.0.2
 
 flutter:
   uses-material-design: true