LG X screen Instruction Manual page 186

Knock Code
You can unlock the screen by creating your own Knock Code. When the screen is locked,
you can directly access the Home screen by tapping the screen in a specified sequence.
NOTE
You can use your Knock Code, together with the KnockOn feature.
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If you enter an incorrect Knock Code more than 5 times consecutively, unlock
•
by using your backup PIN.
Make sure to use your fingertip when tapping the screen.
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Creating a Knock Code
1 Tap Settings Display Lock screen Select screen lock Knock Code.
2
Tap NEXT.
3
Tap the squares in a pattern of your choice to create a Knock Code and tap NEXT.
4 Input the created Knock Code again for verification, then tap CONFIRM.
5
Tap NEXT.
6
Set a backup PIN to use when the Knock Code is forgotten.
Unlocking the screen with a Knock Code
Unlock the screen by inputting the Knock Code you have created.
Input your knock Code on the touch screen when the screen is turned off.
It is also possible to enter a Knock Code when the screen is turned on.
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Basic Functions
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