How to unlock the new LG Leon 4G, model MS345 from metroPCS through official device app in a few hours.
You can unlock your blocked AT&T, US Cellular, Cingular, Cricket Communications, Nextel, Sprint, T-Mobile, Verizon, MetroPCS, Tracfone, Boost Mobile, Aio, StraightTalk, H20 Wireless, Simple Mobile telephone from USA (spanish), and then use any SIM card from any country or network.
1. - Make sure you have an active data connection via 3G/4G/LTE or Wi-Fi.
2.- From the Application list, tap Device Unlock, the application is located in the MetroPCS folder.
3.- Choose the Permanent Unlock.
4.- Restart the device.