i have updated my fone to 2.2 , before i had 2.1 and my fone was restarting by itself. i had updated several times to 2.1 but stil was facing the same problem. now after 2.2 update.. my fone still restarts frequently, and after using it for10-12 hours it start giving error of force close. and now it main screen appears and it restarts :S what should i do ? any suggestions?