AT&T

AT&T was the iPhone's exclusive carrier until February 10, 2011, when rival carrier Verizon released a CDMA-capable iPhone 4, ending Apple's exclusivity agreement with AT&T.

Devices exclusively carried by AT&T

 * iPhone
 * iPhone 3G
 * iPhone 3GS
 * iPhone 4 (GSM)
 * iPad
 * iPad 2