I am using Samsung m31 from July 2020. I don't have any problem since then, but everything changed after I updated the OS to OS11 UI3.0.
My phone kept stuck and restarts for no reason. Today morning it restarted and when I tried to unlock it with 4 ...
You can try out the suggestions like starting in safe mode as provided in the thread. Hope the same will be performed by service center person. For information in any case if unable to restart properly, the counter resets to 1440.If you are near to s...