LG -P936 User Manual page 205

Warning
Take precautions when using an
Unlock Pattern, PIN, or Password. It is
very important that you remember the
screen unlock information you set. You
are allowed 5 attempts to enter your
screen unlock information. If you used
up all 5 opportunities, you will have to
wait 30 seconds to attempt unlocking
the phone again.
When you can't recall your Unlock
Pattern, PIN, or Password:
If you logged into a Google account on
the phone and failed to use the correct
pattern 5 times, tap Forgot Pattern? You
will be required to sign in with your Google
account and prompted to create a new
unlock pattern.
If you haven't created a Google account
on the phone or you forgot your PIN or
Password, you need to perform a hard
reset.
Caution
If 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.
1 Turn the power off.
2 Press and hold the following keys at the
same time for 8 seconds: Power/Lock
Key + Down Volume Key.
3 When FACTORY HARD RESET screen is
displayed, release the keys.
4 Press the Power/Lock Key to confirm --
delete all user data, and press the Volume
Keys to cancel.
5. Using Hard Reset (Factory
Reset)
If your phone needs to be restored to its
original condition, use a Hard Reset to
initialize your phone.
1 Turn the power off.
2 Press and hold the following keys at the
same time for 8 seconds: Power/Lock
Key + Down Volume Key.
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