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Settings 
Touch  the  Home  key  >    >  Settings.  The  Settings  app  contains  most  of  the  tools  for 
customizing and configuring your phone. 
Wireless and Networks 
Wi-Fi   
Touch the Home key >    > Settings > Wi-Fi. 
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
®
. 
Bluetooth   
Touch the Home key >    > Settings > Bluetooth. 
Turn Bluetooth on or off and configure your Bluetooth connections. See Connecting to Bluetooth
®
 
Devices. 
Cellular Network 
Touch  the  Home  key  >    >  Settings  >  Cellular  network  to  control  mobile  data  use,  set 
network type, select mobile network and set access point names, etc. See Connecting to Mobile 
Networks. 
Data Usage   
Touch the Home key >    > Settings > Data usage to manage mobile data use.   
Touch the Mobile data or Set cellular data limit switches to turn on or off mobile data or mobile 
data limit. 
You can check how much data has been used during the time cycle you set, set mobile data limit 
and  warning,  see  what  apps  have  been  using  mobile  data,  or  restrict  background  data  for 
individual apps.