How to unlock AT&T iPhone Free In this post we’ll explain about how to unlock AT&T iPhone for free. Electrical Autocad Software Free Download Full Version 2013. We’ll briefly talk about various options available for AT&T iPhone unlock including jailbreak method, gevey sim method and Factory Unlock iPhone. Many of us are having an AT&T Locked iPhone either bought on AT&T contract or purchased from eBay or some third party and looking for a sim unlocking solution. Good news is that now you can factory unlock AT&T iPhone for free. Cheap Android Phone Australia Unlocked on this page. Older generation of iPhone like 2G, 3G or 3GS can be unlocked very easily using freely available software solutions like ultrasn0w after jailbreaking it. However, later generation of iPhones like iPhone 4, 4s and 5 pose a problem when it comes to those software unlock.