Locking And Unlocking The Screen; Knock Code - LG -D213c User Manual

3 Unmount SD card
4 Erase SD card Erase SD card Erase everything
5

Locking and unlocking the screen

Knock Code

To activate Knock Code feature
1
Knock Code
2
TIP: Double-tap to turn the screen on when Knock Code is not in use.
Power/Lock Key
Power/Lock Key
Apps Settings Lock screen Select screen lock
Erase everything