Access and change the APN on the device.
1. From your connected device's web browser, go to http://hotspot.webui. Enter your Login Password, then click Login.
Note: The admin password for the online WebUI is the last 8-digits of the IMEI code, which is printed on the device label (underneath the battery). IMEI code is also listed on the Device Details screen of your device. Ensure that your device is connected to the AT&T Turbo Hotspot 2's Wi-Fi network. For more information, please see the Connect Devices to Wi-Fi or Connect PC or Mac to Wi-Fi tutorials.
2. Click the Settings drop-down menu on the left side of the screen, then click Mobile Settings.
3. Click Add New Rule.
4. Enter the desired APN information, then click Save.
5. Click the circle beside the desired APN.
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