View cellular network signal, turn international roaming or your mobile data connection on or off.
INSTRUCTIONS & INFO
From the Start screen, swipe in from the right edge of the screen to access the Charm bar.
Then tap Settings.
The mobile network icon will be displayed in the Settings bar.
It will also be displayed in the task manager.
Tap on the Network connection icon to see the network you are currently connected to or to Connect or Disconnect from a network. Note: To learn more about the AT&T network, visit http://www.att.com/network.