How do I do a factory reset on my LG phone?

Have LG Tech. Supp. walk u threw it, or while booting up press and hold power button and volume button simultaneously, you will come to a list of options, highlight factory reset and follow instructions. If this is a stolen or you found this phone, you might want to return it. Even after factory reset you will need, email, full name etc. when reregistering it...hope this helps...

B E W A R E

a factory reset will delete
all of your user data, which includes pictures, videos, and music saved to your internal memory.
Hopefully it is backed up before your phone locked up
as you will lose it !


this link below might reset it but I am not sure as you might have different model number on your phone.but it might work
http://www.lg.com/us/mobile-phones/VS980/Userguide/075.html
otherwise internet search on google for
{your model number' 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:

Jim: If you you moved over from one service (like Verizon) to another, you would have to do a factory reset to get the
software on your phone.

http://www.handcellphone.com/mobile/how-reset-lg-cosmos-factory-default-setting

Hi,

you can do these following steps:

If you want to do a factory reset on your LG GW300 and you’ve lost your user code, then you have to entry into the engineering mode. In the following times, you will find it is very easy to do a factory reset without the user code.
When you open your LG GW300, Dial 1809#*500# on your LG GW300 and choose Factory reset. No code required and phone don’t ask: "Are you sure?". All settings will be reset to default values, including the user code (0000 is the default code). Good luck!


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Please try resetting the phone but this will reset the phone to factory default.

Steps to Reset Settings

This resets the phone to factory default settings.

1. Open the flip and press OK [Menu].
2. Press 9 or Settings & Tools.
3. Press 6 or Phone Settings.
4. Press 7 or Security.
5. Enter lock code. The default lock code is the last 4 digits of your phone number.
6. Press 5 or Reset Default.
7. Press OK after reading the warning message.
8. Press OK to select Revert. A confirmation message is displayed briefly before the phone resets itself.

http://www.resetcellphone.com/solution/LG/vx9200-env3

Insert Sim phone is locked to
turn on phone
open slide
type 2945#*#
ENG mode menu will appear
Go down to factory reset and select { Wait a few minutes for it to reset }
This will reset phone back to before it was locked to a network
The phone will automatically restart
Now its unlocked ;)

Whooopeee.enjoy

You can try to do a factory reset by pressing 2945#*# on your phone then going to factory reset but be advised that you will lose everything on your phone!