AT&T is finally unlocking iPhones at the end of a completed contract, but if you bought the new iPhone 4S you’re going to be waiting another 18 months or so until your phone is eligible for an official carrier unlock. What if you want to use your iPhone on T-Mobile, or maybe go overseas and use a local carrier rather than pay for some crazy out of coverage fees? Fortunately, hacker Loktar_Sun has discovered an incredibly easy way to unlock your iPhone 4S or any other iPhone. The process is super easy – all you need is a jailbroken iPhone, and these 13 easy-to-follow steps.