<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>
Okay, a successful update. I tried a different cable, same specs but one that was bought pre-made. And the speed went back to full 500. It must've been my workmanship on the other cable.