This application is designed to help you to unlock your LG cell phone and use any SIM card. After you have bought the phone, you will receive an unlock code, and you need to enter it to unlock your device. This application is easy to use, and it only requires a few steps. The first step is to turn on your device with a SIM card not accepted by the device. In the next step, you need to check if the card has a PIN number. If it has, you need to enter the PIN number and press the button "OK". The device will then prompt you whether it is going to accept or reject the SIM card. You need to press the button "Accept" to unlock the device.