Welcome to the BT Community and thank you for your post! I have moved your post to start your own conversation as the thread you posted on has already been marked as solved.
I am sorry for the problems you're having with your Xbox subscription. You can get in touch with us and we'll be happy to give you a hand from here. I have sent you a private message with instructions on how you can send us over your details and we'll look into this for you. See: Private messages
Thanks,
Robbie