***Updated 4/28/2026*** Find out which ports are blocked by Xfinity and Comcast services, and why. Ports on the internet are like virtual passageways where data can travel. All information on the internet passes through ports to get to and from computers and servers. When a certain port is known to

***Updated 5/4/2026*** Port forwarding lets devices outside your home network access specific devices or services inside your network. It tells your router where to send that traffic. It helps with gaming, remote access, security cameras, and hosting services. If not set up securely, it can expose y

***Updated 8/17/2026*** Learn how to prevent false alarms in your Xfinity Home system. False alarms can pull first responders away from real emergencies, cost you monetarily through fines from local authorities and create a public nuisance. Keep these tips handy to prevent false alarms in your Xfini

***Updated 4/24/2026*** Find out how you can activate an Xfinity Gateway or an approved customer-owned (third-party) modem using the Xfinity app. Activation instructions using Xfinity app You can activate a device using the Xfinity app. Not on a smartphone? Scan this QR code with your mobile device

***Updated 5/17/2026*** ​***Created by our ​​ Community Experts​​***​ ​ ​ ​ ​ ​1) Directly connect to your modem via ethernet. ​ ​Restart your modem everytime you plug in a new device.​​It's a good time to replace your Ethernet cables; Cat6 preferred.​​If your speeds are good, concentrate on router/

***Updated 7/6/2026*** You can set up your Xfinity remote to control your TV and sound system, like a sound bar and other pieces of audio equipment. If you have Xfinity X1, a Xumo Stream Box, or Xfinity Flex, follow these steps to connect your remote. If you don't have one of these boxes, see progra

​ ​ ​***Created by our ​​ Community Experts​​***​ ​ ​​ ​ ​ ​​ ​​You can find out more about Comcast's usage plans (data caps) here: ​​https://www.xfinity.com/support/internet/data-usage-plan/​ ​ ​​ ​ ​ ​​This guide is meant to help you understand some basics about data usage. ​ ​ ​​ ​ ​ ​​The Comcas

Find out more about buying and using your own internet equipment (cable modem/gateway) instead of renting an Xfinity Wireless Gateway. Keep in mind there are advantages to using an Xfinity Wireless Gateway, including access to value-added services such as xFi — our WiFi management platform — and usa

​***Created by our ​​ Community Experts​​***​ ​ ​ ​ ​ ​ ​ ​If using Windows 10's browser EDGE, you will need to do the following to set your homepage.​ ​ ​ ​Click the "3-Dot menu"​​ (…) on the address bar, then​​ ​​Settings.​ ​In the left menu, click Start, home, and new tabs. ​ ​On the right side o

***Updated 6/25/2026*** This article lists the steps to pair or activate your CableCARD. For more information and FAQs about CableCARDs, learn about CableCARDs. For details on how you can get a CableCARD to activate your Xfinity TV service on CableCARD-compatible retail devices, read about obtaining

***Updated 8/12/2026*** What's the difference between an X1 Purchase PIN and Locks PIN? This article provides a better understanding of how parental controls work, including the difference between a Locks PIN and a Purchase PIN for the Xfinity X1. Parental controls Parental controls allow you to lim

Follow the troubleshooting tips below if you experience issues with your Xfinity Internet or WiFi connection. Using the Xfinity app from your mobile device, the Xfinity Assistant, or accessing xfinity.com from your computer provides the same troubleshooting a customer service agent does, but without

***Updated 8/17/2026*** Learn how to change the batteries in your Xfinity Home devices. When some devices' batteries start to expire, a low-battery alert shows on: The Xfinity Home app and your touchscreen if you subscribe to Xfinity Home Security.The Xfinity app if you have Xfinity Home Smart Home.

***Updated 6/29/2026*** Comcast is committed to creating the sustainable devices of tomorrow. In 2013, we joined with other leading, multichannel video programming distributors to launch a historic TV Box energy conservation agreement. As part of our commitment to sustainability, we provide regular

Starting Tuesday, April 27, 2021 and continuing through Monday, May 3, 2021, the biggest week in television history is back! Watch the best shows and movies from HBO Max, Showtime, Starz, Hulu, Epix, AMC+ and more! Xfinity customers can watch thousands of episodes and hundreds of movies on demand fr

​***Created by our ​​ Community Experts​​***​ ***Updated 5/4/2026*** ​ If you think your computer is infected. The first thing to do is scan your computer completely with your Antivirus and Anti Spyware programs. Be sure to save the logs. They are valuable if further help is needed.​ ​ ​ ​ ​​Communi

Let's activate your new Xfinity Internet/Xfinity Voice service if you rent an Xfinity Gateway! If you don’t need instructions and are ready to act now, simply go to the Xfinity app on your Apple or Android device to get started. Remember: The xFi Fiber Gateway is only available through professional

***Updated 4/28/2026*** Choosing either POP or IMAP can affect how you access and manage your email. Note: To learn more about using third-party email clients (e.g., Outlook, Apple Mail, Thunderbird, etc.) to access your Comcast.net email address, please see Enable/Disable Third-Party Client Access

​ ​ ​​​ ​ For an overview of the xFi website (xfinity.com/myxFi) and the app for mobile devices, see our web and mobile app article. For tips on managing your home network, see personalizing your home network with xFi. Restarting an xFi Gateway If you are experiencing home WiFi connectivity issues,

***Updated 6/29/2026*** Watch your favorite Hulu content directly on your Xfinity X1 or Xumo Stream Box devices! To access the Hulu app, you’ll need: A compatible X1 TV Box (RNG150 and Pace XG1v1 models aren’t supported) or Xumo Stream Box.Xfinity Internet (any level of service).A Hulu subscription.