To troubleshoot the A12 black screen issue in video calls, first check if the app has permission to access the camera in your device settings. Restart your device and ensure both the app and device firmware are up to date. Test the camera using the default camera app to rule out hardware issues. If the problem persists, reinstall the video conferencing app and check for any lens blockages.
To troubleshoot the A12 black screen issue in video calls, try disabling "Adaptive brightness" in Settings > Display. If that doesn't work, check for software updates for your video conferencing app or reset the phone's settings. For additional tips and detailed troubleshooting steps, you can visit this guide.
