My iphone 2g was accidently restored. it is still unlocked and when my tmobile sim card is in it i can recieve calls but the phone is no longer activated and it keeps telling me to insert a AT&T sim card. im a tmobile customer so the activation wont work. How can i fix this. should i jailbreak the phone? what do i need to do? Phone is stuck on the screen that tells you to plug into itunes...help!!!!