Macworld Some iPhones are locked to single cellular networks, especially iPhones bought in the U.S., while others are ...
Apple's iPhone brought the SIM lock into public view because of its original exclusivity in the U.S. with AT&T. However, iPhones were readily "unlocked" by hackers both in and outside the U.S ...
The SIM unlock code they developed is divided into ... In order to do a permanent unlock solution (like on the first generation iPhone), they’d need to analyze the actual bootrom code.