From: EFF
Is It Illegal To Unlock a Phone? The Situation is Better – and Worse – Than You Think
Legal protection for people who unlock their mobile phones to use them on other networks expired last weekend. According to the claims of major U.S. wireless carriers, unlocking a phone bought after January 26 without your carrier’s permission violates the Digital Millennium Copyright Act (“DMCAâ€) whether the phone is under contract or not. In a way, this is not as bad as it sounds. In other ways, it’s even worse.