View signal strength, network connection status, and enable/disable mobile network and international roaming.
INSTRUCTIONS & INFO
From the home screen, swipe down from the Notification bar.
Tap the Settings icon.
Tap Mobile networks.
Tap Mobile data.
Tap Standard data to toggle standard mobile data access on/off. Note: Mobile data is on by default. Turning off the 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.
Tap Enhanced 4G LTE services to toggle on/off.
To access data roaming settings, tap International data roaming.
Tap International data to toggle data roaming on/off. 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.
If enabling, tap OK to confirm.
To quickly toggle mobile data access on/off, swipe down from the Notification bar with two fingers, then tap MOBILE DATA.