As promised on Tuesday, the unofficial iPhone Dev Team has revealed ultrasn0w, carrier unlocking code for the iPhone 3.0 firmware. Creators note that the software injected into a phone's baseband is the same as that in yellowsn0w, designed for iPhone 2.x; the difference is simply the use of a new hole in Apple's security, found by someone outside of the Dev Team. The release of ultrasn0w is bein