ModemGuides · The Blog · Tagged: Xfi App
Xfi App
How to Activate a Modem With Comcast Xfinity (Internet and Phone)A complete guide to activating your own modem on Comcast Xfinity, including online self-activation, phone activation, and how to activate a phone modem for Xfinity Voice service.
Xfinity xFi Gateway Keeps Going Offline? How to Fix It (2026)If your Xfinity xFi Gateway keeps dropping offline, the problem is usually a loose cable, overheating, or a service outage. This guide walks you through the most common...
Xfinity xFi Gateway Not Working? How to Fix Common XB6, XB7, XB8 IssuesA complete troubleshooting guide for the most common Xfinity xFi Gateway issues, including Wi-Fi drops, slow speeds, bridge mode problems, and overheating on the XB6, XB7, and XB8...