Touch screen do not respond
At times, Touch screen does not respond and phone cannot be unlocked by no means, Problem do not get solved even after restarting phone, removing battery & reinserting etc.. This happend typically during nights when the phone is not used and in the morning, touch screen does not respond to do any activities. after installing a software i had a hard reset, after that my tuch screen did not work.please help meeeeeeeeeeee ! !