- Slide down the top menu and click the gear (settings)
- Make sure Wi-Fi is off
- Click SIM Cards->Cellular data->click AT&T (if it’s already selected then you’re all set)
- Hold down side button and reboot
- When the device starts up make sure to confirm the first SIM that starts with “Iot0119”
- This transfers it from Wi-Fi to run off the SIM card