GSM

(Newser) - Sprint and T-Mobile users rejoice! Now you, too, can have an iPhone without switching to AT&T or Verizon—cough, for the low-low price of $649. Apple has quietly begun selling unlocked iPhone 4s for that price online, Apple Insider reports. Pop in an active micro-SIM card and the phone...

(Newser) - The days are numbered for AT&T’s monopoly on the iPhone, with Apple set to produce a new version that uses the wireless network favored by the likes of Verizon and Sprint. When a version using the CDMA network (to AT&T's GSM network) will hit the market is...

(Newser) - A German hacker says he and his team have managed to crack the code that has protected most of the world's cell phone conversations for over 20 years. Karsten Nohl told a hackers' conference in Berlin that cracking the encryption code for GSM communications—which secures 80% of cellular communications—...

(Newser) - Apple is in talks about developing an iPhone for Verizon’s wireless network—with possible deployment next year, USA Today reports. Currently, the iPhone is only available on AT&T’s GSM network, which is incompatible with Verizon’s CDMA operation. AT&T has exclusive US rights to the iPhone...