Nokia Lumia 920 Unlocking Instructions:
Warning : Do not enter any wrong unlock codes on your Nokia Lumia 920 mobile phones. If you enter over a certain amount of wrong unlock codes on your Nokia Lumia 920 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch on your Nokia Lumia 920 without any sim card.
2 - Don't bother as to what is displayed on your Nokia Lumia 920.
3 - Compose #pw+CODE+1#.
4 - The Nokia Lumia 920 would then display the message "SIM Restriction Off" and will be unlocked!
The letter p appears if you press the button star(*) three times quickly
The letter w appears if you press the button star(*) four times quickly
The symbol + appears if you press the button star(*) two times quickly
The CODE you need to enter is the unique unlock code for your Nokia Lumia 920 .
I got this step by step unlocking instructions from
SuperUnlockCodes.com .