How do you hard boot into recovery mode,volume down and power then release both and press again on lg screan dont do it both ways only factory reset

Do not forget to backup your phone’s data before doing a factory data reset. Here’s our guide.

Performing a Factory data reset restores your device to the original factory settings as it comes out of the box. It also deletes the data like installed apps, contacts, messages, images, etc. present on the internal storage. It does not, however, affect any data stored on the external SD card. Now here is how you can hard reset your LG G2/G3 from device Settings:

Tap the Menu key from Homescreen.
Select System settings> General.
Now scroll to PERSONAL.
Select Backup & reset option.
Tap Factory data reset> Reset phone.
Select Erase everything.
When the warning window prompts, tap OK.
Hard Reset LG G2 with Hardware Keys
If you unable to perform a factory data reset on your LG G2/G3 using the device settings for some reasons, you can try the hardware key method. Just follow the steps given below:

Turn off your LG G2/G3.
Now press and hold the Power + Volume down buttons simultaneously for about 8 seconds.
When the LG Logo appears, release and then immediately re-hold the Power button.
Release the Power key as soon as you see the ‘FACTORY HARD RESET’ screen.
Press the Power key to reset your device.
Press the Power key again to confirm factory data reset.
Wait till reset is done.
Boot LG G3 /G2 into Safe Mode
To fix an issue caused by a 3rd-party app, you can boot your LG G3/G2 into Safe mode and delete the suspect app. You can turn on Safe mode by following these steps: