A Hard Reset reverts a phone to its original settings and a clean OS (Operating System) removing all data and information added to the cell phone by the mobile phone user.
In essence a Hard Reset erases everything from the phone and puts the phone back to like new condition as though it’s brand new right out of the box.
1. Lets begin by turning off your device, so please hold down power button.
2. Next thing you will have to do is press and hold power button with volume down button combined.
3. You will be able to release the buttons when ther is going to be LG logo on your screen.
4. After that, your phone will display recovery mode menu.
5. Using your volume buttons navigate to wipe data/factory reset option and press power button to select it.
6. And this is it. Your device will be ready to use after the restart.