sound problem

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please be assured and to resolve this issue kindly follow the given below steps:

1) Safe mode:-Power off the device > Press and hold the Power key for one or two seconds to turn on the device > When the Samsung logo appears, press and hold the Volume down key.
Note :-To exit safe mode restart the device .

2) Reset the device: -Kindly create data backup of your device via SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.

Tap on Settings>Tap on General Management>Tap on Reset.

If the issue still persist, kindly visit the service center as your device might needs physical inspection. To check for the nearest Samsung service center kindly click on the link : https://www.samsung.com/in/support/service-center/

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support