Have something peculiar happening to my s21u (512/snapdragon). In quiet room I can hear it ticking/clicking once every 15-20 seconds. Sound comes from the top part, not sure if it's camera or speaker. Only noticed it when phone held screen up with screen on, doesn't do it with camera on or screen off. I'm just really curious what it might be or whether anyone else has that happening to them. Cheers.
Nope. Boot to Safe Mode and see if it stops.
Galaxy S21 Ultra 512g(VZW), Galaxy Book (original, VZW), Tab S4, Galaxy Watch3 (VZW)