Ihave a 3g iphone is jailbroken on 3.0 my wifi is broken so i can do the unlock through cydia my idea is that ihave a friend has a internet plan with att so i will ask if can use my phone and call att to use this new iphone with his sim so they can activate the phone with his sim so i can use the internet and the unlock with ultra sn0w any ideas will appreciate please reply what you think thanks