According to a statement appearing on iPhoneunlocking.com, the group, which planned commercial release of its iPhone unlocking software, has put the sale of the software on hold following contact from a law firm representing AT&T. A subsidiary of UniquePhones, iPhoneunlocking claims they “received a telephone call from a Menlo Park, California, law firm at approximately 2:54 a.m.” on Saturday morning, and that the firm “presented…