how to update my htc phone software after warranty?

A

AC Question

My keypad is not working properly, like P & 0 becomes insensitive.
 

B. Diddy

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Welcome to Android Central! Are you sure it's the keyboard, or could it be a hardware issue related to the digitizer? If you go to landscape orientation, is it still the P and O keys that don't register? If not, then the digitizer might be developing dead spots in the P and O area of the screen when in portrait mode.
 

Rukbat

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And if that's the case, the phone has to go to a shop to have the digitizer replaced. (Or to have the whole screen replaced. Since the labor to replace the screen is a lot less than to replace the digitizer, the price difference may actually favor replacing the whole screen.)