<p>See our <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-">help page</a> for further information.</p>
I've managed to get through to an advisor. After doing a few tests and finding no fault with the line their assumption is I have a faulty hub. They'll be sending a new one out.