@Alexandre. Hi there Thank you so much for a super comprehensive reply. I have updated the firmware and this has helped with making the Decos connect in the correct order. I have also switched on...

I have a 5 bedroom house and 6 M4 Deco units, which I thought would be more than enough to cover the house, although there are a couple of problems: 1) The Decos all seem to connect to the main unit,...