From Repair Mobile
[edit]
Without sim alternative i607 / Blackjack
Power on without sim, you will then get a message saying "SIM Failure" at the top of the screen.
Click "Done" then press the green button to get into the dial pad. Type in #7465625*638*
Then it will display "Enter Network Control Key" this is where you enter the 8 digit unlock code. Then click ok
Your phone is now unlocked
