Warning: Do not enter any wrong unlock unlock codes on your LG U310 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 - Turn ON your LG U310
without SIM Card,
2 - Enter
815118#*#,
3 - Sim unlock mode pop up,
4 - Enter the unlock code and press ok,
5 - The LG U310 will then reboot and the unlock is complete.
Each LG U310 mobile phone has an unique unlock code. You can buy the unique unlock code for your LG U310 mobile phone at www.mobileunlocksolutions.com.