1). Disconnect all accessories if anything plugged into the headphone jack like, selfie stick, headphone, Bluetooth, etc.
2). Check device volume settings: Tap on Settings>Tap on Sound & vibration>Tap on Volume>Drag the volume adjustment bar left or right to increase or decrease the device volume.
4). Check device in safe mode: Press and hold the Power key, when Power off icon appears > hold power off icon. Exit safe Mode:- Restart device. Note:- If your device functions correctly in Safe Mode, it is most likely that the issue lies with a 3rd party application that can be uninstalled to resolve the problem.
For furtherassistance kindly register your concern in Samsung members app (Samsung Member > Get help > send feedback > Ask question/Error report)
