The problem about factory unlocked

[wjlacer]

ATT has free factory unlocked 4S, whether the user contracts to did not expire, but the user contracts expire automatically unlock. When Verizon companies began to factory unlocked?

[Ann154]

Apple has factory unlocked iphones for sale.

ATT does not unlock their iphones until the service contract is completed or the owner can prove they purchase the phone at full retail price. There are other additional requirements

Verizon Wireless requires customers requesting a phone unlock be current customers with an active line and other requirements.