AT&T Ruins Apple SIM by Locking It to Their CarrierThe Apple SIM concept wasn't exactly revolutionary, but it was a pretty great introduction of the technologyFriends Read FreeSaveThe AT&T Communications Inc. corporate headquarters building is seen March 6, 2006 in San Antonio, Texas. AT&T announced plans to acquire BellSouth in a deal valued at approximately $67 billion. (Toby Jorrin/Getty Images)By Steven Johns10/26/2014Updated: 10/26/2014Print