@Riley_S I was able to get one of the additional units connected via the switch. I'm not sure how I did it, other than lots of disconnecting, reconnecting and rebooting. But now the last unit won't...

@Riley_S thanks so much. I set it up as you suggested in router mode: Modem > Main Deco > Switch > All Satellites and Devices When I have just the modem and Main Deco plugged in, it works well. As...

@Riley_S thanks for the response. It does not seem to be switching to cell signal, at least not currently. Right now I'm on wifi, but when I open the app it shows "We couldn't find Deco". I would...

I just purchased the Deco X55 3 pack. I'm using it to replace my old system, which was the wifi on my old Arris Surboard modem/router and a very old Airport Express and very old Airport Extreme. I...