Many users reported about this issue here. For some users, it got fixed after factory reset. For some users, after Flashing new firmware. For some users it fixed after changing motherboard. For some users it was fixed after next software update. For some users, it is not fixed even after following the above tips. But noone knows the exact solution for this issue.
We acknowledge your query and apologize for the same. We request you to kindly visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/
