LG -D803 User Manual page 9

Important notice
4. Using Swipe, Face Unlock, Pattern, PIN, or Password
Set Swipe, Face Unlock, Pattern, PIN, or Password to secure your phone. To set
the screen lock, follow the process below.
From the Home screen, tap the Menu Key
Select screen lock and select a desired screen lock from None, Swipe, Face
Unlock, Pattern, PIN and Password.
NOTE: In case that you have trouble with Face Unlock, you can unlock the
screen a Backup Pattern or PIN.
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 have set a backup PIN, you can unlock the screen with keying in the
backup PIN.
If you haven't created a Google account on the phone or you forgot your PIN,
Password, and the backup PIN, 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.
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, tap Lock screen settings >