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LG G3 knock on/off function not working..how to recover?

feilila
I'm a Participant Level 2
I'm a Participant Level 2

I don't know what I did to my phone, but I can't double click to lock the screen now.

However, I can still unlock the screen by double click..

What can I do to recover the function?

 

 

***Edited to add labels***

3 REPLIES 3

feilila
I'm a Participant Level 2
I'm a Participant Level 2
thanks a lot! it works

Automagic
I'm a Contributor Level 1
I'm a Contributor Level 1
Fill* not film.

Automagic
I'm a Contributor Level 1
I'm a Contributor Level 1
To lock the screen by double on the G3 you need to double tap on an empty portion of the screen. Did you film your home screen with apps or widgets?

You can also double tap the notification bar at the top of the screen to lock.