@mwsssss I think the latest firmware updates fixed it. Now everything works! If unplugged, the unit both X60 and M5 just go to wifi backhaul. If ethernet plugged it, just goes to ethernet backhaul....

@Tony ahhhh ok, thank you! I was just surprised it's not explicit in the manual. much obliged.

Deco x60, 1.1.3 Build 20200110 Rel. 63639, app shows system is up to date. Hello, I'm having trouble setting up the Deco x60 Ethernet Backhaul. Everything works fine on wifi, the remote units connect...