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Control of my Arris G18 modem/router

  • January 26, 2026
  • 1 reply
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1.using the GUI interface, I can access the G18 display on my Windows 11 laptop.  How do I change the G18 password of the logon portion?

2.I have the Surfboard Central app installed on my iphone, which lets me access the G18 display through the GUI interface option in HOME.  When I downloaded the Central app onto my iPad, why does the app go into activation mode, and fails with Wi-Fi Communication Failure - ERROR CODE: 0000-1614, when my iPad already has the wi-fi connection with the 5G SSID?

1 reply

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Before setting up the app,  Have the web-based interface (GUI) set up? If you do, follow the steps for a device that is already set up with the web-based portal on the app.

If you haven't set up the GUI before, we need to verify if the GUI is misconfigured. The Surfboard Central app pairs with the gateway and syncs with the web-based interface (GUI) as well. 

First, connect your phone to the Wi-Fi and check if the internet connection is working. Then, connect a device like a laptop or phone to the network, open a web browser, and type http://192.168.0.1 in the address bar. You should see the ARRIS interface page (GUI). If the page asks you to create a password, the modem is not misconfigured. In this case, restart your mobile phone and start the setup on the app again.

If the GUI page asks for an email address and password for login, it indicates the page is misconfigured. We recommend performing a factory reset. Hold down the reset button for at least 20 seconds and then release it to reset the gateway. Wait for it to boot up.

After confirming everything is working, start the setup process on the app again. For your reference, please find the link below for the steps to set up the app.

https://arris.my.salesforce-sites.com/consumers/articles/knowledge/SURFboard-Central-Wi-Fi-Cable-Modem-Setup