Warning: Do not enter any wrong unlock unlock codes on your LG U400 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 U400
without its ORIGINAL SIM Card.
2 - Compose :
2945#*88110#.
3 - Enter the Unlock Code and press OK.
without its ORIGINAL: We mean, to use a sim card other than the one given to you by your original network/service provider along with the LG U400.
Each LG U400 mobile phone has an unique unlock code. You can buy the unique unlock code for your LG U400 mobile phone at www.mobileunlocksolutions.com.