etc to add：
4.5.2 Wallpaper Setting:
Tap icon
, to change the wallpaper and select the picture you want,
tap 
, wallpaper setting successed.
4.5.3 Tap icon
shortcut to search engine:
41
etc to add：
Tap icon, to change the wallpaper and select the picture you want,
tap , wallpaper setting successed.
shortcut to search engine:41
