LG G2 let's you set different wallpapers for the lock screen, home screen, and the app drawer. To change wallpaper on G2 and use default wallpapers or saved images, do as follows:
1. To change Wallpaper for Home Screen:
1.1. Long press on the home screen to open a menu, and tap the Wallpaper tab
1.2. Now you can use and select Gallery, Live wallpapers, default wallpapers or multi photo (on Multi Photo, you can add more than one photo and at each page, one different photo is shown)
2. To Change Wallpaper for Lock Screen:
2.1. Go to Settings and Display tab, and open Lock Screen
2.2. Tap Wallpaper and you can use either Gallery images or Wallpaper Gallery
3. To Change Wallpaper for App Drawer
3.1. Go to App Drawer (Apps, list of installed apps)
3.2. Press the Menu Button and then select "Apps wallpaper"
3.3. Choose one of the available wallpapers
Lean More LG G2 Tips and Tricks
LG G2 D802 has a lockscreen bug. Supposedly on lockscreen, we can swipe to the right to see the option to add more lockscreen widgets. However, after I changed the lockscreen wallpaper for the first time, then I swipe to the right, this "add widget" option or screen does not appear anymore
