My iphone won't slide to unlock. Keeps rebooting. I am running jailbroken 3.0.1...I have sooooooo much stuff on this phone. I can't bring myself to restore it and be stuck with 3.1.....Is there a way to restore it to the 3.0 or 3.01 ipsw I have on my PC? Then rejailbreak it? Agh...It just rebooted again. Right now...I can't see being able to take it to Apple. It boots to the lock screen and freezes for 5 mins or so and reboots back to same place. I can't shut it off to get into DFU mode to restore. Any idea how I can correct this vicious circle?