okay so i recently got a HTC inspire 4G from At&t but it's on a simple mobile sim card. its on andriod 2.3.3 and wont update because im not with att. i tried using my friend's att sim to update it but that was a bust so now i want to root it. im not a total noob, or maye i am but i need step by step instructions to help me root this phone. can someone please help?