hey guys,,,i have serious problenm in my phone....my phone is not awake after display gets off or i locked it with my lock button.....i removed the battery and switched it on again and it works for two minutes and restarts automatically.....so i backup my contacts and select factory reset....after tat it works normally and sometimes it wll not switching between home screen and application screen......everything was happened after i had made some call.....what shall i do?
shall i give to sony center for further?
guide me
