Knockon; Knock Code - LG -V521 User Manual

KnockON

To turn the screen on
1
2
To turn the screen off
1
2
NOTE: Tap on the center area of the screen. If you tap on the bottom or the
top area, the recognition rate may decrease.

Knock Code

NOTE:
If you enter the wrong Knock Code 6 times, it will compulsorily take you to your
google account log in/backup PIN.
Use the fingertip instead of finger nail to tap the screen for turning it on or off.
1
Code
2
28
Display Lock screen Select screen lock Knock
Special Features