Something is definitely wrong with his particular phone. I don't have any of those problems either.
If he's running a custom ROM he should find a better one or return to stock. If that's not the case, a warranty replacement is in order because something is definitely faulty with his hardware.
If he's running a custom ROM he should find a better one or return to stock. If that's not the case, a warranty replacement is in order because something is definitely faulty with his hardware.