View cellular network signal, turn international roaming or your mobile data connection on or off.
INSTRUCTIONS & INFO
Signal strength will be indicated in the Notifications bar. When you are within range of a cellular tower the indicator will show more bars. If you are not in range of a cellular tower you will have fewer bars/less signal strength. Note: To view the locations AT&T voice and data service can be used, see the AT&T Network coverage map.
If 4G LTE is available, the 4G LTE icon will display next to the signal strength indicator in the Notifications bar. Note: Learn more about the AT&T network.
If Airplane mode is enabled the Airplane mode icon will display in the Notifications bar.