LG G6 H872 - Manual (Page 17)

Custom-designed Features 16
Making collage wallpapers
You can make your own collage image to display it as a lock screen.
You can select multiple collage images as a wallpaper that changes each
time you turn on or off the screen.
1 Tap Settings Display Lock screen Wallpaper Collage
Wallpapers.
2 Tap and select the images you want to display as a collage.
3 Edit the slideshow as desired and tap SET WALLPAPER.