All models:
1.POWER ON PHONE WITH ACCEPETED SIM CARD
2.Press the following keys: *#865625#
3.A SIM Unlock Menu will appear, press OK
4.Enter Unlock Code (8 digit code)*
5.Re-enter Unlock Code (8 digit code)*
6.YOUR PHONE will display Unlock Process Complete. Press OK.
7.The PHONE is now unlocked