Use Device theme

The background of quick settings and your list of all apps is either light or dark, based on the wallpaper you selected. To change this:

1. Go to Settings > Display.
2. Touch Advanced > Device theme.
3. Choose Light or Dark.

You can also change the background color for:

• Your keyboard (Learn how.)
• Individual apps, like Messages and Phone (Open the app, touch or , and look for light/dark settings.)