Turning On The Screen; Turning Off The Screen - LG -K450 User Manual

KnockON
You can turn the screen on or off by double-tapping the screen.
This option is available only on the Home screen provided by LG. It may
not function properly on a custom launcher or on the Home screen
installed by the user.
When tapping the screen, use your fingertip. Do not use a fingernail.
To use the KnockON feature, make sure that the proximity/light sensor
is not blocked by a sticker or any other foreign substance.

Turning on the screen

Double-tap the middle of the screen.
Tapping the top or bottom of the screen may decrease the recognition
rate.

Turning off the screen

Double-tap the status bar, an empty area on the Home screen or the
Lock screen.
Basic Functions 40