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ANSWERED: How to use Approved Third-Party Equipment for Xfinity Internet and Xfinity Voice

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 usage of a home-based Xfinity WiFi hotspot.

Before making the decision to use your own equipment, find out what the Xfinity Wireless Gateway has to offer, including coverage, features, speed and exclusive Xfinity services.

Note: Xfinity Prepaid Internet Wireless Gateways cannot be used for standard Xfinity services.

Find Out if Your Equipment Is Approved and Compatible With Xfinity Services

  1. Before buying your own equipment, use the My Device Info website to easily check if your device is approved for Xfinity Internet and/or Voice service.
  2. My Device Info shows a database of all approved cable modems. You can also use this site to make sure your modem or router supports your selected internet speed tier.
  3. After checking this website for approved retail devices, visit xfinity.com/learn/offers for up-to-date information on the internet speeds and other offers available in your area.

If you don't know your level of service, check your Xfinity services.

Identifying Approved Retail Devices

Before buying a retail device through a third-party retailer, go to the My Device Info page to better understand which devices are approved by Comcast. For more details, see the Frequently Asked Questions section.

  1. To get a personalized experience, go to mydeviceinfo.xfinity.com from your web browser and click Sign In. Then, sign in using your Xfinity ID and password.
    • Note: If you don't sign in or aren't an Xfinity customer, you'll need to enter yourZIP Codeand select aDownload speedfrom the drop-down menu. Then, click theFind equipmentbutton to show all equipment compatible with the download speed you chose.
      Welcome screen with fields for Zip Code and Download speeds.

  2. Search for the specific retail device brand or model that you're considering purchasing. If the product isn't listed, it might not be supported by Comcast.
    Search field.

  3. Click the View details link under the thumbnail image of a specific device. You can narrow the search results by using the filters available on the left-hand side of the screen. Filtering options include:
    • Download Speed
    • Voice/Telephone Enabled
    • Show Unsupported Devices
      Note: This filter only appears if you search through the Search for equipment field.
    • Built-in WiFi
    • Brand
    • DOCSIS Channels
    • DOCSIS Version
  4. If the device is compatible with your Xfinity Internet and/or Voice service, you'll see a message under the thumbnail image with details about the product, including Device Type and Download Speed.
    Confirmation messaging: This device is compatible with your service download speed of 250 Mbps.

  5. Only supported devices will appear. Non-supported devices won't show up on the site.

Frequently Asked Questions

Can I bring my own equipment to Comcast?
You can purchase your own retail modem for use with your Xfinity Internet and/or Voice service, as long as the equipment is certified to work on our network. Before buying from the retailer of your choice, please go to mydeviceinfo.xfinity.com to find certified retail equipment that supports your internet speed tier.

If you're an existing customer and need to know your level of service, see which level of Xfinity services you subscribe to. Then, after buying compatible retail equipment, install and activate it and start enjoying your service. To learn more, see more about installing and activating your purchased modem with Xfinity service.

What are my responsibilities when buying and using my own equipment with Xfinity service?
You're responsible for making sure your retail device is secure and certified, that it supports your Xfinity Internet service speed, and for upgrading your equipment when we increase speeds.

Visit mydeviceinfo.xfinity.com for compatibility. We recommend that you stay aware of new developments in technology to better understand when replacing your retail device may be necessary.

You'll be responsible for troubleshooting device-related issues using the manufacturer's user manual if we've confirmed that your Xfinity Internet or Voice service is functioning properly. You'll also be responsible for configuring your wireless network's security settings, if applicable.

How do I find the right retail equipment?
If you're currently an Xfinity Internet or Voice customer, you can find compatible retail equipment automatically. Just visit mydeviceinfo.xfinity.com and sign in for a personalized experience.

Once you've signed in, you'll see information about your existing device, as well as download speed (if applicable) and all retail equipment certified and compatible with your existing service. You can customize the results by adjusting the filters, such as Download Speed, Built-In WiFi or Voice/Telephone-enabled.

If you're not currently an Xfinity customer, you can still find compatible retail equipment using your address and the internet service speed you want.

Note: Please remember that modems require routers in most network configurations for features like WiFi or to support add-on products like Xfinity Home.

What does it mean if my equipment isn't supported, and how do I check if a piece of equipment isn't supported?
If a device isn't supported, it's not certified for use on our network and won't be activated as new or replacement equipment. You can check if a piece of equipment isn't supported using mydeviceinfo.xfinity.com.

Note: Uncertified and end-of-life equipment won't show up on mydeviceinfo.xfinity.com.

For existing Xfinity Internet or Voice customers, if you try to use a piece of equipment that's not supported, the equipment will automatically display with a yellow indicator and notification once you sign into mydeviceinfo.xfinity.com.

To learn more about why devices become unsupported or end-of-life, please see Why Upgrading Your Devices is Important.

What should I do if my older retail equipment isn't supported?
To get the most out of your service, you should consider replacing your retail equipment if it has been identified as not supported. You have the option to replace your older retail device by renting a Wireless Gateway, or by purchasing a certified and compatible device listed on mydeviceinfo.xfinity.com. To learn more about the Wireless Gateway from Xfinity, see Renting an Xfinity Wireless Gateway.

Can I use Xfinity Prepaid equipment (cable modem/gateway) with Xfinity Internet services?
Xfinity Prepaid Internet equipment doesn’t work with Xfinity Internet services. You would have to replace your Prepaid Wireless Gateway with a rented or purchased certified compatible device listed on mydeviceinfo.xfinity.com. Learn more about renting a Wireless Gateway from Xfinity.

When can I use retail equipment (cable modem/gateway) that I already own or want to buy with my Gigabit Internet service?
There are third-party, Comcast-certified retail cable modems and gateways that support the Gigabit Internet service. To learn more about this service and to check if it's available in your area, visit xfinity.com/gig.

 

 

 

Additional Resources:

https://www.xfinity.com/support/articles/list-of-approved-cable-modems

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