Basic Settings for the cover screen of the Device

Change Themes

Go to Settings > Home/Exterior screen & wallpaper > Exterior screen , choose your desired theme in the Themes tab, and touch Apply.

Add Service Widgets to the cover screen

Add Service widgets to the cover screen for easier access.

Go to Settings > Home/Exterior screen & wallpaper > Exterior screen, touch Edit in the Service widgets tab, and follow the onscreen instructions to add or delete Service widgets or hold and drag the widgets to adjust their order.