Huawei U3900 User Manual page 27

Settings
GPS
Wallpaper
Theme
Call
waiting
USB mass
storage
Network
mode
Description
Set the GPS.
Location On: Enable

the GPS function.
911 only: Disable the

GPS function. You can
only call 911 to locate
yourself in case of
emergency.
Change the current
wallpaper.
Change the current system
theme.
Enable or disable the call
waiting function.
Enable or disable the USB
mass storage function.
Set network mode.
Menu > Settings >
Phone > Location
Menu > Settings >
Display > Wallpaper
Menu > Settings >
Display > Theme
Menu > Settings >
Call > Call Waiting
Menu > Settings >
Connectivity > USB
Mass Storage
Menu > Settings >
Network > Mode
26
Menu selection