1. From your device's web browser, go to
http://attwifimanager. Enter your
Username and
Password, then clickÂ
SIGN IN.
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2. ClickÂ
SETTINGS at the top of the page.
![Image 2](https://www.att.com/devicehowtomedia/image/netgear_nighthawk_5g/9007198_02.jpg)
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3. The device’s Mobile Number and IMEI Number will be displayed.
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4. Alternatively, the IMEI and Serial Number can be found under the battery on the back of the device.