I hope I'm not tempting fate by posting this!
I have been very critical of the SmartHub since I got it back in July. It was so bad I went back to using the HH5.
A couple of weeks ago, I decided to give the SmartHub another go. I have to say, it has been very reliable since then.
I did a factory reset before reconnecting it to the BT network. It updated to firmware 223E.
I have the following settings:
Fingers crossed that it lasts!