DOCSIS 3.1
Best Modems for Xfinity: Top Picks Ranked (2026)
Every modem currently approved for Xfinity in 2026, audited against Comcast's official list: what was removed in April, and which model fits your plan.
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Home Networking · Topic
Xfinity
Every Home Networking article tagged Xfinity, newest first.
12 articles
Latest from Xfinity
DOCSIS 4.0
When Will Your ISP Support DOCSIS 4.0? 2026 Rollout Tracker by Provider
A plain-English, regularly updated tracker showing which cable internet providers have launched DOCSIS 4.0, which are still upgrading, and when most homes can expect access. Includes major ISPs like Xfinity, Spectrum, and Cox plus smaller regional operators.
Troubleshooting
Xfinity Internet Keeps Dropping? Here's How to Fix It (2026 Guide)
If your Xfinity internet keeps dropping or disconnecting randomly, this guide walks you through every fix, from quick resets to replacing your rental gateway for good.
Troubleshooting
Xfinity Modem/Router Blinking Orange Light: What It Means and How to Fix It
A blinking orange light on your Xfinity modem means it is trying to connect and failing. Here is what causes it and how to fix it fast at home.
Troubleshooting
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.
Troubleshooting
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 fixes step by step.
Troubleshooting
Xfinity xFi Gateway Not Working? How to Fix Common XB6, XB7, XB8 Issues
A 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 models.
Review
Netgear CM1000 vs. CM1100 vs. CM1200: The Differences Explained
Stuck at the "Netgear Wall of Numbers"? We break down the CM1000, CM1100, and CM1200 in plain English. Learn why the 4-port model isn't a router and which modem actually fits your home setup.
Setup
Best Modems for Xfinity 2026: Next Gen Upload Picks
Xfinity keeps two device lists, and the second one decides whether you get mid-split upload speeds. Here are the modems that qualify at each plan level, why the Arris S33 is not one of them, and how refurbished units activate on the...
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ARRIS SURFboard S33 DOCSIS 3.1 Cable ModemXfinity, Spectrum, Cox
Arris SVG2482AC Xfinity Internet & Voice Modem RouterXfinity
Arris SBG6900-AC AC1900 Wireless Cable ModemXfinity, Spectrum, Cox
Netgear C3700-100NAS N600 DOCSIS 3.0 Cable Modem RouterXfinity, Spectrum, Cox
Setup
Xfinity Can't Activate Your Modem in the App? Fixes and Light Codes (2026)
When the Xfinity app can't activate your modem, the cause is usually the outlet, the approved list, a previous account, or the app itself. Here is how to tell which one from the error message and the modem lights, and how to...
Setup
How to Connect to Xfinity Wifi Hotspot
Need to access the Internet while you're out and about? Xfinity Wi-Fi hotspots provide a fast and convenient solution. In this article, we'll show you how to connect to an Xfinity Wi-Fi hotspot in just a few easy steps. Whether you're an...
Setup
How to Reset Xfinity Modem: A Complete Guide
Resetting your Xfinity modem can be a simple solution for many internet connectivity issues. It can help you troubleshoot problems such as slow internet speeds, connectivity drops, and intermittent connections. In this article, we'll guide you through the steps of resetting your...