Sharing one workaround that i found. My setup: 3 units of x20. One of the unit is connected to a regular router. so the decos are working on Access Point Mode, I suspect this workaround will only...

Add me to the long, growing list of users whose 3rd Deco always selects the signal source of the main Deco, and not the Deco next in line or closets Deco. Any solutions please!!!