diff --git a/mobile/lib/services/background_upload.service.dart b/mobile/lib/services/background_upload.service.dart
index 90c8d7f7d4..19192c9cff 100644
--- a/mobile/lib/services/background_upload.service.dart
+++ b/mobile/lib/services/background_upload.service.dart
@@ -285,7 +285,12 @@ class BackgroundUploadService {
       return null;
     }
 
-    final fileName = await _assetMediaRepository.getOriginalFilename(asset.id) ?? asset.name;
+    String fileName = await _assetMediaRepository.getOriginalFilename(asset.id) ?? asset.name;
+    final hasExtension = p.extension(fileName).isNotEmpty;
+    if (!hasExtension) {
+      fileName = p.setExtension(fileName, p.extension(asset.name));
+    }
+
     final originalFileName = entity.isLivePhoto ? p.setExtension(fileName, p.extension(file.path)) : fileName;
 
     String metadata = UploadTaskMetadata(
diff --git a/mobile/lib/services/foreground_upload.service.dart b/mobile/lib/services/foreground_upload.service.dart
index 9cd562b5db..30cf4abcf6 100644
--- a/mobile/lib/services/foreground_upload.service.dart
+++ b/mobile/lib/services/foreground_upload.service.dart
@@ -315,7 +315,16 @@ class ForegroundUploadService {
         return;
       }
 
-      final fileName = await _assetMediaRepository.getOriginalFilename(asset.id) ?? asset.name;
+      String fileName = await _assetMediaRepository.getOriginalFilename(asset.id) ?? asset.name;
+
+      /// Handle special file name from DJI or Fusion app
+      /// If the file name has no extension, likely due to special renaming template by specific apps
+      /// we append the original extension from the asset name
+      final hasExtension = p.extension(fileName).isNotEmpty;
+      if (!hasExtension) {
+        fileName = p.setExtension(fileName, p.extension(asset.name));
+      }
+
       final originalFileName = entity.isLivePhoto ? p.setExtension(fileName, p.extension(file.path)) : fileName;
       final deviceId = Store.get(StoreKey.deviceId);