The Samsung Galaxy A14 5G may have a proximity sensor issue, causing the screen to turn off during audio messages. To troubleshoot, restart the phone, check for updates, test in safe mode, reset the sensor, perform a factory reset, and contact Samsung Support if the issue persists. Restarting the phone, updating the operating system and apps, testing in safe mode, and resetting the sensor may resolve the problem. If the issue persists, contact Samsung support or a certified service center for assistance.