View cellular network signal, turn your mobile data connection on or off.
INSTRUCTIONS & INFO
Signal strength is displayed in the notification bar. Five full bars indicates full signal strength. Note: To view the locations AT&T voice and data service can be used, see the AT&T Network coverage map.
The currently connected data network is displayed in the notification bar. Note: To learn more about the AT&T network, visit http://www.att.com/network.
When airplane mode is on, an Airplane icon is displayed in the notification bar.