Recovery is included on a separate partition from the main Android OS on all Android devices.
You can boot directly into recovery mode and use it to factory reset the device, delete the cache partition, or apply software updates.
It can help you fix your device.
1. At the start power off your device using power button.
2. Then you will have to wait few seconds and press and hold power button with volume down button together.
3. Wait for LG logo to appear and let go off the buttons.
4. Now there should appear this menu:
5. And that's it. If you're intreseted how to navigate here, then it's: volume buttons for up and down and power button to select option.
All Android phones come with built-in recovery mode that is separate from the original operating system.
The recovery mode is used to access different features of the phone without accessing the phone’s OS.
The main function of the recovery mode is to fix the phone while staying away from the faulty OS of the phone.