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's get started with turning OFF your device so please press and hold power button.
2. Now wait 10 seconds and press volume button and power combined at the same time.
3. Then if you see logo LG on your screen, then release holded keys, and immediately press and hold previous keys.
4. When you see Factory data reset on your screen, then release holded buttons.
5. Next from the menu choose wipe data/factory reset option.
6 And this is it! now your phone is going to restart so give it a time.