Warning: Do not enter any wrong unlock unlock codes on your LG GT400 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.1. Switch ON your LG GT400
without any SIM Card.
2. Press the telephone icon at the bottom of the screen to bring up the LG GT400's keypad.
3. Enter
2945#*400#.
4. A menu will pop up, Select
Network Lock.
5. Enter your Unlock Code and press ok.
6. Your LG GT400 will then reboot and the unlock is complete.
Each LG GT400 mobile phone has an unique unlock code. You can buy the unique unlock code for your LG GT400 mobile phone at www.mobileunlocksolutions.com.