diff --git a/i18n/en.json b/i18n/en.json
index d61116f2a6..f3f1322045 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -983,6 +983,7 @@
   "failed_to_load_assets": "Failed to load assets",
   "failed_to_load_folder": "Failed to load folder",
   "favorite": "Favorite",
+  "favorite_action_prompt": "{count} added to Favorites",
   "favorite_or_unfavorite_photo": "Favorite or unfavorite photo",
   "favorites": "Favorites",
   "favorites_page_no_favorites": "No favorite assets found",
diff --git a/mobile/lib/constants/enums.dart b/mobile/lib/constants/enums.dart
index 4999c48660..febc71032e 100644
--- a/mobile/lib/constants/enums.dart
+++ b/mobile/lib/constants/enums.dart
@@ -12,3 +12,5 @@ enum TextSearchType {
 enum AssetVisibilityEnum { timeline, hidden, archive, locked }
 
 enum SortUserBy { id }
+
+enum ActionSource { timeline, viewer }
diff --git a/mobile/lib/domain/models/asset/base_asset.model.dart b/mobile/lib/domain/models/asset/base_asset.model.dart
index 509998a109..9833f9a682 100644
--- a/mobile/lib/domain/models/asset/base_asset.model.dart
+++ b/mobile/lib/domain/models/asset/base_asset.model.dart
@@ -1,4 +1,4 @@
-part 'asset.model.dart';
+part 'remote_asset.model.dart';
 part 'local_asset.model.dart';
 
 enum AssetType {
diff --git a/mobile/lib/domain/models/asset/asset.model.dart b/mobile/lib/domain/models/asset/remote_asset.model.dart
similarity index 70%
rename from mobile/lib/domain/models/asset/asset.model.dart
rename to mobile/lib/domain/models/asset/remote_asset.model.dart
index b0a0b0dfb9..608a03f2b2 100644
--- a/mobile/lib/domain/models/asset/asset.model.dart
+++ b/mobile/lib/domain/models/asset/remote_asset.model.dart
@@ -8,16 +8,18 @@ enum AssetVisibility {
 }
 
 // Model for an asset stored in the server
-class Asset extends BaseAsset {
+class RemoteAsset extends BaseAsset {
   final String id;
   final String? localId;
   final String? thumbHash;
   final AssetVisibility visibility;
+  final String ownerId;
 
-  const Asset({
+  const RemoteAsset({
     required this.id,
     this.localId,
     required super.name,
+    required this.ownerId,
     required super.checksum,
     required super.type,
     required super.createdAt,
@@ -37,16 +39,17 @@ class Asset extends BaseAsset {
   @override
   String toString() {
     return '''Asset {
-   id: $id,
-   name: $name,
-   type: $type,
-   createdAt: $createdAt,
-   updatedAt: $updatedAt,
-   width: ${width ?? "<NA>"},
-   height: ${height ?? "<NA>"},
-   durationInSeconds: ${durationInSeconds ?? "<NA>"},
-   localId: ${localId ?? "<NA>"},
-   isFavorite: $isFavorite,
+    id: $id,
+    name: $name,
+    ownerId: $ownerId,
+    type: $type,
+    createdAt: $createdAt,
+    updatedAt: $updatedAt,
+    width: ${width ?? "<NA>"},
+    height: ${height ?? "<NA>"},
+    durationInSeconds: ${durationInSeconds ?? "<NA>"},
+    localId: ${localId ?? "<NA>"},
+    isFavorite: $isFavorite,
     thumbHash: ${thumbHash ?? "<NA>"},
     visibility: $visibility,
  }''';
@@ -54,10 +57,11 @@ class Asset extends BaseAsset {
 
   @override
   bool operator ==(Object other) {
-    if (other is! Asset) return false;
+    if (other is! RemoteAsset) return false;
     if (identical(this, other)) return true;
     return super == other &&
         id == other.id &&
+        ownerId == other.ownerId &&
         localId == other.localId &&
         thumbHash == other.thumbHash &&
         visibility == other.visibility;
@@ -67,6 +71,7 @@ class Asset extends BaseAsset {
   int get hashCode =>
       super.hashCode ^
       id.hashCode ^
+      ownerId.hashCode ^
       localId.hashCode ^
       thumbHash.hashCode ^
       visibility.hashCode;
diff --git a/mobile/lib/infrastructure/entities/remote_asset.entity.dart b/mobile/lib/infrastructure/entities/remote_asset.entity.dart
index bfe08346dd..c08401356c 100644
--- a/mobile/lib/infrastructure/entities/remote_asset.entity.dart
+++ b/mobile/lib/infrastructure/entities/remote_asset.entity.dart
@@ -37,9 +37,10 @@ class RemoteAssetEntity extends Table
 }
 
 extension RemoteAssetEntityDataDomainEx on RemoteAssetEntityData {
-  Asset toDto() => Asset(
+  RemoteAsset toDto() => RemoteAsset(
         id: id,
         name: name,
+        ownerId: ownerId,
         checksum: checksum,
         type: type,
         createdAt: createdAt,
diff --git a/mobile/lib/infrastructure/repositories/remote_asset.repository.dart b/mobile/lib/infrastructure/repositories/remote_asset.repository.dart
new file mode 100644
index 0000000000..ef347cfa75
--- /dev/null
+++ b/mobile/lib/infrastructure/repositories/remote_asset.repository.dart
@@ -0,0 +1,26 @@
+import 'package:drift/drift.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/infrastructure/entities/remote_asset.entity.drift.dart';
+import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';
+import 'package:immich_mobile/providers/infrastructure/db.provider.dart';
+
+final remoteAssetRepositoryProvider = Provider<RemoteAssetRepository>(
+  (ref) => RemoteAssetRepository(ref.watch(driftProvider)),
+);
+
+class RemoteAssetRepository extends DriftDatabaseRepository {
+  final Drift _db;
+  const RemoteAssetRepository(this._db) : super(_db);
+
+  Future<void> updateFavorite(List<String> ids, bool isFavorite) {
+    return _db.batch((batch) async {
+      for (final id in ids) {
+        batch.update(
+          _db.remoteAssetEntity,
+          RemoteAssetEntityCompanion(isFavorite: Value(isFavorite)),
+          where: (e) => e.id.equals(id),
+        );
+      }
+    });
+  }
+}
diff --git a/mobile/lib/infrastructure/repositories/timeline.repository.dart b/mobile/lib/infrastructure/repositories/timeline.repository.dart
index 18abac99de..fcd92cb30c 100644
--- a/mobile/lib/infrastructure/repositories/timeline.repository.dart
+++ b/mobile/lib/infrastructure/repositories/timeline.repository.dart
@@ -70,36 +70,38 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
     return _db.mergedAssetDrift
         .mergedAsset(userIds, limit: Limit(count, offset))
         .map(
-          (row) => row.remoteId != null
-              ? Asset(
-                  id: row.remoteId!,
-                  localId: row.localId,
-                  name: row.name,
-                  checksum: row.checksum,
-                  type: row.type,
-                  createdAt: row.createdAt,
-                  updatedAt: row.updatedAt,
-                  thumbHash: row.thumbHash,
-                  width: row.width,
-                  height: row.height,
-                  isFavorite: row.isFavorite,
-                  durationInSeconds: row.durationInSeconds,
-                )
-              : LocalAsset(
-                  id: row.localId!,
-                  remoteId: row.remoteId,
-                  name: row.name,
-                  checksum: row.checksum,
-                  type: row.type,
-                  createdAt: row.createdAt,
-                  updatedAt: row.updatedAt,
-                  width: row.width,
-                  height: row.height,
-                  isFavorite: row.isFavorite,
-                  durationInSeconds: row.durationInSeconds,
-                ),
-        )
-        .get();
+      (row) {
+        return row.remoteId != null && row.ownerId != null
+            ? RemoteAsset(
+                id: row.remoteId!,
+                localId: row.localId,
+                name: row.name,
+                ownerId: row.ownerId!,
+                checksum: row.checksum,
+                type: row.type,
+                createdAt: row.createdAt,
+                updatedAt: row.updatedAt,
+                thumbHash: row.thumbHash,
+                width: row.width,
+                height: row.height,
+                isFavorite: row.isFavorite,
+                durationInSeconds: row.durationInSeconds,
+              )
+            : LocalAsset(
+                id: row.localId!,
+                remoteId: row.remoteId,
+                name: row.name,
+                checksum: row.checksum,
+                type: row.type,
+                createdAt: row.createdAt,
+                updatedAt: row.updatedAt,
+                width: row.width,
+                height: row.height,
+                isFavorite: row.isFavorite,
+                durationInSeconds: row.durationInSeconds,
+              );
+      },
+    ).get();
   }
 
   Stream<List<Bucket>> watchLocalBucket(
diff --git a/mobile/lib/presentation/widgets/action_buttons/favorite_action_button.widget.dart b/mobile/lib/presentation/widgets/action_buttons/favorite_action_button.widget.dart
index 5c093c8fa0..5bf0566f20 100644
--- a/mobile/lib/presentation/widgets/action_buttons/favorite_action_button.widget.dart
+++ b/mobile/lib/presentation/widgets/action_buttons/favorite_action_button.widget.dart
@@ -1,16 +1,73 @@
 import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/constants/enums.dart';
+import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/extensions/translate_extensions.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/base_action_button.widget.dart';
+import 'package:immich_mobile/providers/infrastructure/action.provider.dart';
+import 'package:immich_mobile/providers/timeline/multiselect.provider.dart';
+import 'package:immich_mobile/providers/user.provider.dart';
+import 'package:immich_mobile/widgets/common/immich_toast.dart';
 
 class FavoriteActionButton extends ConsumerWidget {
-  const FavoriteActionButton({super.key});
+  final ActionSource source;
+
+  const FavoriteActionButton({super.key, required this.source});
+
+  onAction(BuildContext context, WidgetRef ref) {
+    switch (source) {
+      case ActionSource.timeline:
+        timelineAction(context, ref);
+      case ActionSource.viewer:
+        viewerAction(ref);
+    }
+  }
+
+  void timelineAction(BuildContext context, WidgetRef ref) {
+    final user = ref.read(currentUserProvider);
+    if (user == null) {
+      return;
+    }
+
+    final ids = ref
+        .read(multiSelectProvider.select((value) => value.selectedAssets))
+        .whereType<RemoteAsset>()
+        .where((asset) => asset.ownerId == user.id)
+        .map((asset) => asset.id)
+        .toList();
+
+    if (ids.isEmpty) {
+      return;
+    }
+
+    ref.read(actionProvider.notifier).favorite(ids);
+    ref.read(multiSelectProvider.notifier).reset();
+
+    final toastMessage = 'favorite_action_prompt'.t(
+      context: context,
+      args: {'count': ids.length.toString()},
+    );
+
+    if (context.mounted) {
+      ImmichToast.show(
+        context: context,
+        msg: toastMessage,
+        gravity: ToastGravity.BOTTOM,
+      );
+    }
+  }
+
+  void viewerAction(WidgetRef _) {
+    UnimplementedError("Viewer action for favorite is not implemented yet.");
+  }
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     return BaseActionButton(
       iconData: Icons.favorite_border_rounded,
       label: "favorite".t(context: context),
+      onPressed: () => onAction(context, ref),
     );
   }
 }
diff --git a/mobile/lib/presentation/widgets/bottom_app_bar/home_bottom_app_bar.widget.dart b/mobile/lib/presentation/widgets/bottom_app_bar/home_bottom_app_bar.widget.dart
index 0b5efc4bd1..d7677b77e8 100644
--- a/mobile/lib/presentation/widgets/bottom_app_bar/home_bottom_app_bar.widget.dart
+++ b/mobile/lib/presentation/widgets/bottom_app_bar/home_bottom_app_bar.widget.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/constants/enums.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/archive_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/delete_action_button.widget.dart';
 import 'package:immich_mobile/presentation/widgets/action_buttons/delete_local_action_button.widget.dart';
@@ -35,7 +36,7 @@ class HomeBottomAppBar extends ConsumerWidget {
         if (multiselect.hasRemote) ...[
           const ShareLinkActionButton(),
           const ArchiveActionButton(),
-          const FavoriteActionButton(),
+          const FavoriteActionButton(source: ActionSource.timeline),
           const DownloadActionButton(),
           isTrashEnable
               ? const TrashActionButton()
diff --git a/mobile/lib/presentation/widgets/images/thumbnail.widget.dart b/mobile/lib/presentation/widgets/images/thumbnail.widget.dart
index e9648ab06e..82aef61633 100644
--- a/mobile/lib/presentation/widgets/images/thumbnail.widget.dart
+++ b/mobile/lib/presentation/widgets/images/thumbnail.widget.dart
@@ -32,7 +32,7 @@ class Thumbnail extends StatelessWidget {
       );
     }
 
-    if (asset is Asset) {
+    if (asset is RemoteAsset) {
       return RemoteThumbProvider(
         assetId: asset.id,
         height: size.height,
@@ -45,7 +45,8 @@ class Thumbnail extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final thumbHash = asset is Asset ? (asset as Asset).thumbHash : null;
+    final thumbHash =
+        asset is RemoteAsset ? (asset as RemoteAsset).thumbHash : null;
     final provider = imageProvider(asset: asset, size: size);
 
     return OctoImage.fromSet(
diff --git a/mobile/lib/presentation/widgets/images/thumbnail_tile.widget.dart b/mobile/lib/presentation/widgets/images/thumbnail_tile.widget.dart
index 7c2fbf4e21..ba02ea56e8 100644
--- a/mobile/lib/presentation/widgets/images/thumbnail_tile.widget.dart
+++ b/mobile/lib/presentation/widgets/images/thumbnail_tile.widget.dart
@@ -30,9 +30,8 @@ class ThumbnailTile extends ConsumerWidget {
         ? context.primaryColor.darken(amount: 0.6)
         : context.primaryColor.lighten(amount: 0.8);
 
-    final isSelected = ref
-        .watch(multiSelectProvider.select((state) => state.selectedAssets))
-        .contains(asset);
+    final multiselect = ref.watch(multiSelectProvider);
+    final isSelected = multiselect.selectedAssets.contains(asset);
 
     return Stack(
       children: [
diff --git a/mobile/lib/presentation/widgets/timeline/fixed/segment.model.dart b/mobile/lib/presentation/widgets/timeline/fixed/segment.model.dart
index 7cadff9ee2..4de9eaad38 100644
--- a/mobile/lib/presentation/widgets/timeline/fixed/segment.model.dart
+++ b/mobile/lib/presentation/widgets/timeline/fixed/segment.model.dart
@@ -185,7 +185,7 @@ class FixedSegment extends Segment {
   /// and prevents duplicate keys even when assets have the same name/timestamp
   String _generateUniqueKey(BaseAsset asset, int assetIndex) {
     // Try to get the most unique identifier based on asset type
-    if (asset is Asset) {
+    if (asset is RemoteAsset) {
       // For remote/merged assets, use the remote ID which is globally unique
       return 'asset_${asset.id}';
     } else if (asset is LocalAsset) {
diff --git a/mobile/lib/providers/infrastructure/action.provider.dart b/mobile/lib/providers/infrastructure/action.provider.dart
new file mode 100644
index 0000000000..18b7378dd2
--- /dev/null
+++ b/mobile/lib/providers/infrastructure/action.provider.dart
@@ -0,0 +1,28 @@
+import 'package:immich_mobile/services/action.service.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+final actionProvider = NotifierProvider<ActionNotifier, void>(
+  ActionNotifier.new,
+  dependencies: [
+    actionServiceProvider,
+  ],
+);
+
+class ActionNotifier extends Notifier<void> {
+  late final ActionService _service;
+
+  ActionNotifier() : super();
+
+  @override
+  void build() {
+    _service = ref.watch(actionServiceProvider);
+  }
+
+  Future<void> favorite(List<String> ids) async {
+    await _service.favorite(ids);
+  }
+
+  Future<void> unFavorite(List<String> ids) async {
+    await _service.unFavorite(ids);
+  }
+}
diff --git a/mobile/lib/providers/timeline/multiselect.provider.dart b/mobile/lib/providers/timeline/multiselect.provider.dart
index 1a4c0e4c65..1bd0ae1565 100644
--- a/mobile/lib/providers/timeline/multiselect.provider.dart
+++ b/mobile/lib/providers/timeline/multiselect.provider.dart
@@ -13,9 +13,11 @@ final multiSelectProvider =
 
 class MultiSelectState {
   final Set<BaseAsset> selectedAssets;
+  final int lastUpdatedTime;
 
   const MultiSelectState({
     required this.selectedAssets,
+    required this.lastUpdatedTime,
   });
 
   bool get isEnabled => selectedAssets.isNotEmpty;
@@ -30,25 +32,29 @@ class MultiSelectState {
 
   MultiSelectState copyWith({
     Set<BaseAsset>? selectedAssets,
+    int? lastUpdatedTime,
   }) {
     return MultiSelectState(
       selectedAssets: selectedAssets ?? this.selectedAssets,
+      lastUpdatedTime: lastUpdatedTime ?? this.lastUpdatedTime,
     );
   }
 
   @override
-  String toString() => 'MultiSelectState(selectedAssets: $selectedAssets)';
+  String toString() =>
+      'MultiSelectState(selectedAssets: $selectedAssets, lastUpdatedTime: $lastUpdatedTime)';
 
   @override
   bool operator ==(covariant MultiSelectState other) {
     if (identical(this, other)) return true;
     final listEquals = const DeepCollectionEquality().equals;
 
-    return listEquals(other.selectedAssets, selectedAssets);
+    return listEquals(other.selectedAssets, selectedAssets) &&
+        other.lastUpdatedTime == lastUpdatedTime;
   }
 
   @override
-  int get hashCode => selectedAssets.hashCode;
+  int get hashCode => selectedAssets.hashCode ^ lastUpdatedTime.hashCode;
 }
 
 class MultiSelectNotifier extends Notifier<MultiSelectState> {
@@ -60,6 +66,7 @@ class MultiSelectNotifier extends Notifier<MultiSelectState> {
 
     return const MultiSelectState(
       selectedAssets: {},
+      lastUpdatedTime: 0,
     );
   }
 
@@ -97,6 +104,13 @@ class MultiSelectNotifier extends Notifier<MultiSelectState> {
     );
   }
 
+  void reset() {
+    state = MultiSelectState(
+      selectedAssets: {},
+      lastUpdatedTime: DateTime.now().millisecondsSinceEpoch,
+    );
+  }
+
   /// Bucket bulk operations
   void selectBucket(int offset, int bucketCount) async {
     final assets = await _timelineService.loadAssets(offset, bucketCount);
diff --git a/mobile/lib/repositories/asset_api.repository.dart b/mobile/lib/repositories/asset_api.repository.dart
index 49dbf74304..923a214015 100644
--- a/mobile/lib/repositories/asset_api.repository.dart
+++ b/mobile/lib/repositories/asset_api.repository.dart
@@ -56,6 +56,15 @@ class AssetApiRepository extends ApiRepository {
     );
   }
 
+  Future<void> updateFavorite(
+    List<String> ids,
+    bool isFavorite,
+  ) async {
+    return _api.updateAssets(
+      AssetBulkUpdateDto(ids: ids, isFavorite: isFavorite),
+    );
+  }
+
   _mapVisibility(AssetVisibilityEnum visibility) => switch (visibility) {
         AssetVisibilityEnum.timeline => AssetVisibility.timeline,
         AssetVisibilityEnum.hidden => AssetVisibility.hidden,
diff --git a/mobile/lib/services/action.service.dart b/mobile/lib/services/action.service.dart
new file mode 100644
index 0000000000..9affff9804
--- /dev/null
+++ b/mobile/lib/services/action.service.dart
@@ -0,0 +1,36 @@
+import 'package:flutter/foundation.dart';
+import 'package:immich_mobile/infrastructure/repositories/remote_asset.repository.dart';
+import 'package:immich_mobile/repositories/asset_api.repository.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+final actionServiceProvider = Provider<ActionService>(
+  (ref) => ActionService(
+    ref.watch(assetApiRepositoryProvider),
+    ref.watch(remoteAssetRepositoryProvider),
+  ),
+);
+
+class ActionService {
+  final AssetApiRepository _assetApiRepository;
+  final RemoteAssetRepository _remoteAssetRepository;
+
+  const ActionService(this._assetApiRepository, this._remoteAssetRepository);
+
+  Future<void> favorite(List<String> remoteIds) async {
+    try {
+      await _assetApiRepository.updateFavorite(remoteIds, true);
+      await _remoteAssetRepository.updateFavorite(remoteIds, true);
+    } catch (e) {
+      debugPrint('Error favoriting assets: $e');
+    }
+  }
+
+  Future<void> unFavorite(List<String> remoteIds) async {
+    try {
+      await _assetApiRepository.updateFavorite(remoteIds, false);
+      await _remoteAssetRepository.updateFavorite(remoteIds, false);
+    } catch (e) {
+      debugPrint('Error unfavoriting assets: $e');
+    }
+  }
+}