<p>From 31 October 2024, BT Cloud has <a href="https://www.bt.com/help/broadband/bt-cloud/getting-set-up/download-or-access-files/how-do-i-download-files--folders-and-devices-from-bt-cloud-">closed</a> and all data will soon be deleted.</p>
It has to be coincidence, either all channels work or none do. It is not possible for the setup to allow some channels but not others, you either have internet connection or you don't, it's not selective.
