Hard Reset for LG G5
A hard reset, also known as a factory reset or master reset, is the restoration of a device to the state it was in when it left the factory.
All settings, applications and data added by the user are removed.
The term is often heard in reference to smartphones and tablets but laptop and desktop computers, as well as most other electronic devices, can usually be restored to factory conditions.
1. Lets get started, first turn off your phone by holding down power button.
2. Now press and hold power button and volume down button at the same time.
3. When LG logo will appear on the screen, you can let go off the buttons.
4. Wait untill your phone will boot recovery mode screen.
5. Now use your volume keys to navigate and select with power button wipe data/factory reset option.
6. And that's it! your phone should restart now and will work properly after that.