i also am having this problem i clicked on the link to https://www.xfinity.com/buy/plan/checkout/XFINUDAT an it just brings up an error code How do I fix this an add unlimited data to my account?
Solved! Go to Solution.
Hi @MasterMuffin32! Thanks for using the Xfinity Forum to bring this to our attention. Sorry for the error you're running into when trying to add Unlimited Data to your account. If you haven't been successful in doing so, I'd be happy to get it added for you. Please send a private message with your full name and the numbers associated with your service address as it appears on your billing statement. To send a message, click on my name, "ComcastChe," then click send a message.