AT&T began offering eligible customers the ability to unlock their iPhone on Sunday and use the device on another carrier. In a statement, AT&T said, "The only requirements are that a customer's account must be in good standing, their device cannot be associated with a current and active term commitment on an AT&T customer account, and they need to have fulfilled their contract term, upgraded under one of our upgrade policies or paid an early termination fee."
The unlock process is being widely reported on and is detailed by AT&T in a PDF document shared by users who request the service. The unlock code reportedly comes through Apple and is administered through iTunes. AT&T's instructions tell users to open iTunes on their computer, connect their iPhone via USB, and back up and restore their handset.
AT&T's instructions also include a link to a support document available on Apple's website. There, users are instructed to reseat the SIM card in their iPhone, restore their handset, or contact their carrier if they experience issues with unlocking via iTunes.