Greetings, @gzbd! I appreciate you taking the time to reach out to us here on the forums. I hope you are having an amazing day! I apologize to hear of the issues you are running into when trying to add the unlimited data plan to your account. We can certainly get that resolved for you. Can you please send me a PM with your first and last name so I may further assist you?
To send a private message, please click my name "ComcastMichael" then select "Send a Message" on the right side.
Awesome! Thank you for the update, gzbd. I am glad to hear xFi Complete worked out for you. Take care!