Arris routers are popular for their high-speed internet connectivity and advanced features. However, like any other router, they can sometimes encounter issues that need to be resolved. Here are some common troubleshooting steps you can take if you are having problems with your Arris router:

Restart your router and modem by unplugging them from the power source, waiting for a few minutes, and then plugging them back in.

Check your network settings to make sure your devices are connected to the right network and that your router is properly configured.

Update your router's firmware to the latest version by visiting the Arris support website and downloading the firmware update for your specific router model.

Reset your router to its factory settings by pressing and holding the reset button on the back of the router for 10 seconds, and then reconfiguring it.

If these steps do not solve the issue, you can contact Arris customer support via phone or email for further assistance.