Samsung Galaxy J3 6 - Lock Screen and Security Settings; Lock Screen and Security Overview

3. Tap a wallpaper to preview it.
4. Tap Set as w
allpaper to set the selected wallpaper for the screen or screens.
 Your wallpaper
is changed.
Themes
Themes are packages of visual content that provide different wallpapers and icons for your phone.
Change the Theme
1. From home, tap Apps > Settings > Themes .
Settings 277