It is advised to change your password after a while foe security reasons. It is not something you type daily, so tend to forget it too. Let’s take a look at the steps for Arris router password change.
How to change password?
Open a web browser and type 192.168.1.1 in the URL section.
Enter the current credentials and login to your router.
Then go to settings and click on manage Wi-Fi network.
Select your network and set a new password.
Login through the new password.
Read more: https://connectrouter.com/how-to-reset-arris-router/