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XRE - 00251 - This device needs to be added to your account - X1 and Flex Error Message

This article provides instructions on resolving the "XRE-00251 - This device needs to be added to your account before we can continue" error.

Solution Code

When this error occurs, you’ll see the following message on your device:

  • There’s one quick issue to fix.
  • A few details are missing from your account. You should receive a text on your mobile phone with a link to get instructions from Xfinity Assistant. You can also use any device to visit xfinity.com/assistant. Please select Try Again once the account issue has been resolved.
  • XRE-00251

If you continue to experience issues, please Contact Us using the method that is most convenient for you - chat with us online or call us to speak with a Comcast representative.

Additional information

Visit our Online Support Center to find common solutions.

QR code

The easiest way to activate, manage, and troubleshoot your Xfinity experience is with the Xfinity app! Get 24/7 real-time support, pay your bill, view plan details, get outage updates, and more. Download the free Xfinity app, or scan the QR code with your smartphone.

Need additional support? Ask Xfinity Assistant.

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