There are multiple ways to reset your device if you are experiencing issues. Power cycling your device is the first step.
In this tutorial, you will learn how to:
• Restart your device
• Perform a factory data reset
Restart your device
To set the AT&T Cellbooster, press and hold the reset button located on the back of the device for 5 seconds.
Factory data reset
If a restart does not resolve your issue, you may need to perform a Factory data reset (Master reset). This will erase all data on your device and restore it to factory settings. To Factory data reset your device, press and hold the reset button located on the back of the device for 20 seconds.