To view locations using AT&T voice and data services, visit the AT&T Wireless Network coverage map. To learn more about the AT&T network, visit att.com/network.
• CONNECTION TYPE: When connected to 4G LTE, the Network icon will be displayed in the Notification bar.
• CONNECTION STRENGTH: The Signal Bars display the connection strength. The more bars that are displayed, the better the connection.
1. Swipe down from the Notification bar, then select the  Settings icon.
2. Select the Network tab, then select Data Manager.
Select the Mobile data switch.
Note: Mobile data is on by default. Turning off mobile data will not allow any data to be transferred over the wireless network. Wi-Fi access, voice function, and standard text messaging are still allowed. You can also turn data on or off by device using your own myAT&T account.
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From the Network tab in Settings, select Mobile networks then select the International Data Roaming switch.
Note: Data roaming is off by default. Enabling Data roaming will allow the device to attach to foreign wireless network signals when available. International roaming charges will apply. This setting does not apply to voice access, which requires additional provisioning for usage on international networks. To learn more, visit the AT&T International website.
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Swipe down from the Notification bar with two fingers, then swipe left to the second page of Expanded Quick settings. Select the Data icon.
Note: The Data icon is hidden from the Expanded Quick Settings menu by default. To add the Data icon to the Expanded Quick Settings menu, from the Expanded Quick Settings menu select EDIT then select and drag the Data icon to the desired location.