I know you don't want to hear this, but it sounds like a hardware problem. The good news is that it should be covered under warrantee. I suggest bringing it back where you got it, and back everything up first, in case they end up swapping out the phone.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.