A full factory reset is done, when you want the device to return to its original configuration. It will remove your current network information and restore the router to the original settings. Let’s take a look at process on how to reset an Arris router.
Steps to reset Arris router:
Locate the reset button on your Arris router.
Press and hold the button for 20 seconds.
Make sure you press the button long enough, otherwise the router will only reboot and not perform reset.
Release the button and wait for the lights to turn back on. It may take sometime.
Read more: Arris SB8200 firmware update