Screen Saver
Set a photo, picture, or animation as a screen saver. The screen saver shows when no activity is detected for a specified time.
Tip: This feature helps save your screen, but not your battery. To extend battery life, turn off the screen saver.
Find it: Press 
> Settings > Personalise > Screen Saver
Options
Picture Select an image for your screen saver, or None for no screen saver.
Delay Select the length of inactivity before the screen saver shows.
Display Appearance
To choose a phone colour style that sets the look and feel of your phone’s display: Press 
> Settings > Personalise > Colour Style.
To set your display contrast: Press 
> Settings > Initial Setup
>Contrast.
To save battery life, your backlight turns off when you’re not using your phone. The backlight turns back on when you press a key. To set how long your phone waits before the backlight turns off:
Press 
> Settings > Initial Setup > Backlight.
To save battery life, the display can turn off when you’re not using your phone. The display turns back on when you press
Customize 48