Learn what to do if you receive the APPS-04275 error message while trying to upgrade Xfinity Flex service to Xfinity X1. 
When this error occurs, you’ll see the following message on your screen:
“Sorry, that didn’t go as planned.
We’re having trouble with this order. Please try again or give us a call at 1-800-xfinity to update your service.”
Next steps
Try again and if you continue to experience issues, contact us using the method most convenient for you.
Additional information
Visit our Online Support Center to find common solutions.
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.