hi after software update 4.2.2 on phone c6603 build no 10.3.1.a.0.244 my phone now crashes when on battery if left doing nothing its sometimes ok but when i do anything on phone it crashes wont restart vibrates gets sony logo and crashes again connect charger and it will restart tried using pc companion but says it has the latesst software so wont update tried sony sus update but wont do it when i try repair phone on update says my phone is invalid or no update valid please help wasted 2 days already thanks all out there
