hi i'm a complete n00b at this stuff but i'm desperate. last nite i downloaded "activatemms2g" in hindesite a stupid thing to do, as i have a 3g iphone 2.2.1 (wasn't concentrating ok) it downloaded then tried to reboot my iphone, now all i get is the apple boot logo. I've tried the hold power and home button - don't do nothin. tried to plug in to computer wont recognize. please someone help i cant live without my iphone.