<p>The BT Sport app is closing on 12th October. For more information on activating TNT Sports on the discovery+ app please visit this link, <a href="https://community.bt.com/t5/TNT-Sports-on-TV-Online-player/The-BT-Sport-app-is-closing-on-12th-October/td-p/2312034">The BT Sport app is closing on 12th October.</a>
Welcome to the community and thank you for posting.
I am sorry for the problems you're having with your BTID. I understand there is an older account on there. My colleagues in the helpdesk should be able to get that sorted for you. You can reach them on 0330 1234 150.
Feel free to post back and let me know how you get on chatting with them.