Alright I have done some searching but I have just been overwhelmed with all of the information and I am now very confused. Ill tell you some stuff so you can help me out easier. Im on 2.2.1 5H11 (iPhone 3G Black 8GB) Im on baseband 02.30.03 I have a T-Mobile SIM with me, (NO AT&T SIM CARD) Can someone help me out on how to downgrade my baseband to 02.28.00. Also on how to properly jailbreak and unlock my iPhone 3G to T-Mobile. Thanks.