forgive me if i miss somthin but im new with android so here it goes i bought a used htc magic rogers it is unlocked once i reset i got the message to update to 2.1 and so i did but now when i use my phone the g sensor will not work i called htc but they were not able to explain to me why this is then yesterday i powered my phone down and when it came back on it worked well for a few minutes can someone please tell me what i need to do to fix this prob im not rooted its stock firmware --------is there a way i can reinstall this again thanks in advanced