Changing the Wallpaper
1.On the Home screen, touch 
> Wallpaper.
2.Do any of the following:
•Touch Live wallpapers to select a picture and set it as the wallpaper.
•Touch Gallery to select a picture and set it as the wallpaper.
•Touch Wallpapers to select a picture and set it as the wallpaper.
Locking the Screen
•When your phone is on, press 
to lock the screen. When the screen is locked, you can still receive messages and calls.
•If your phone is idle for a while, the screen will lock automatically.
Unlocking the Screen
1.Press 
to wake up the screen.
2.Drag the lock icon from left to right to unlock the screen.