A. 1. Ensure you are in an area with good network coverage. 2. Check if any other apps are using bandwidth during the call and close them. 3. Restart your phone to clear any temporary glitches.
B. 1. Test your call quality using a different network (Wi-Fi calling if available) to see if the issue persists. 2. If the problem continues, consider using a different calling app to see if the issue is app-specific.