LG Optimus G Pro E986 hard resetIf you perform a hard reset, all user applications and user data will be deleted.
Please remember to back up any important data before performing a hard reset. LG Optimus G Pro forgotten password
Using the Hard Reset (LG E986 Factory Reset)
If your phone does not restore to its original condition, use a Hard Reset (Factory Reset)
to initialize it.
1 Turn the power off.
2 Press and hold the Power/Lock key + Volume Down key.
3 LG Logo appears on the screen and After a few seconds, FACTORY HARD RESET
screen will appear, Now release all keys.
4 The phone will allow you to select the factory reset function in the Android system
recovery utility by pressing Power/Lock key.
5 Press the Power/Lock key again to confirm factory reset and your phone will be
restored to its factory settings. To cancel, press any other key.
or Reset LG Optimus G Pro from Menu - Reset LG E986To reset your LG Optimus G pro E986 hard reset phone to factory settings and erase all the data on your phone, Select Settings → Back up and reset→ Factory data reset → Reset device→ Delete all.
On Android ICS or Jelly Bean 4.0 4.1 or higher
Resetting the phone does not erase any system software updates you have downloaded or any files on your microSD card,
such as music or photos. If you reset the phone in this way, you are prompted to re-enter the same information that you did when you first started Android.
If your phone does not restore to its original condition, use a hard reset (factory reset) to initialize it