Touch the Home key > > Settings. The Settings app contains
most of the tools for customizing and configuring your phone.
Wireless and Networks
Turn Wi-Fi on or off and configure your Wi-Fi connections. See
Connecting to Wi-Fi.
When Wi-Fi is on, touch > Advanced > Wi-Fi Direct in the
Wi-Fi menu to share data between two devices via Wi-Fi
directly. See Using Wi-Fi Direct.
Turn Bluetooth on or off and configure your Bluetooth
connections. See Connecting to Bluetooth Devices.
Touch the Mobile data switch on the MOBILE tab to turn on or
off mobile data.
You can check how much data has been used during the time
circle you set, set mobile data limit and warning, see what app
has been using mobile data, or restrict background data for