I thought I would post a new thread on this particular problem.
In summary, the authorisation code for my remote device keeps expiring after around 24/48 hours. This results in my mobile device being unable to access mycloud via the app over mobile internet. Wifi access remains ok, even after expiry.
You can reauthorise the device, but shortly afterwards the code will expire and any attempt to access over mobile internet results in the 403 error message.
can anyone help with this, perhaps how to make the codes last longer?