From your device's web browser, go to http://attwifimanager. Enter your Admin Password, then click Login.
Note: Ensure that your device is connected to the AT&T Unite Express 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.

Click Settings then click About. The IMEI, Phone Number, and Device ID will be displayed.

Alternatively, the IMEI and Serial Number can be found under the battery on the back of the device.
Note: For more information on how to remove the battery, see the Device Assembly tutorial.
