A. 1. Check Internet Connection: Ensure your device is connected to a stable Wi-Fi or cellular network. Try opening a web page to confirm connectivity. 2. Clear App Cache: Go to Settings > General > iPhone Storage, find One Converter, and select 'Offload App'. This will clear the cache without deleting your data. Reopen the app and try downloading again.

B. 3. Check App Permissions: Go to Settings > Privacy > Media & Apple Music and ensure One Converter has permission to access your media.