24, 2010. In the U.S.,  AT&T  was the only authorized carrier until February 10, 2011, when a  CDMA  version of the iPhone 4 launched for  Verizon . http://en.wikipedia.org/wiki/IPhone   http://mashable.com/2011/06/29/iphone-4th-anniversary-infographic/   Posted by Patrick Nouhailler on 06/30/2011 at 11:45 AM in Apple , iPhone | Permalink | Comments (0) | TrackBack