Yes your phone will be under warranty period. You can get serviced for free. But we are facing this issue after the Android 11 update. Now Samsung has to help us in resolving this issue for free. Outside at the service center they are asking around 8...

Same with M30s

Yes even Myself also facing the same problem in M30s. Kindly reslove this issue of the motherboard and help us by repairing the same for free.