<P> George Francis Hotz (born October 2, 1989), alias geohot, is an American hacker and creative consumer known for unlocking the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T's and Apple's intentions . He developed the limera1n jailbreak tool and bootrom exploit for iOS . He is also noted for his technical efforts and publicity with reverse engineering the PlayStation 3 video game console, and for subsequently being sued by and settling with Sony . As of September 2015, he is working on his vehicle automation machine learning company comma.ai . </P> <P> He attended the Bergen County Academies, a magnet public high school in Hackensack, New Jersey . He attended Academy for Engineering and Design Technology . Hotz is an alumnus of the Johns Hopkins Center for Talented Youth program . Hotz also briefly attended Rochester Institute of Technology and Carnegie Mellon University . </P> <P> In August 2007, seventeen - year - old George Hotz became the first person reported to carrier - unlock an iPhone . According to Hotz's blog, he traded his second unlocked 8 GB iPhone to Terry Daidone, the founder of Certicell, for a Nissan 350Z and three 8 GB iPhones . </P> <P> In September 2007, an anonymous group achieved a software - only unlocking method to complement Hotz's hardware - based unlocking method . </P>

Who was the first person to unlock iphone