View cellular network signal and your mobile data connection status.
INSTRUCTIONS & INFO
When a signal is available, the Signal strength icon will be displayed in the Notification bar. Note: To view the locations AT&T voice and data service can be used, see the AT&T Network coverage map. GoPhone Users: Your device will have a different home screen showing ‘To check your data balance, go to att.com/mygophone’.
When data is available, the 4G icon will be displayed in the Notification bar. Note: Learn more about the AT&T network