@yves_b I think I ended up just adding the new deco to the mesh network as a satellite and then reassigning it to be the main and plugging it into the modem.

Reading the Deco app user guide they mention replacing the main Deco, and it looks like you would connect the new X55 to the old Deco (M5 in my case) and then leave it connected, there's no mention...

@Ryan Day before yesterday I rebooted all the Decos (I hate to do that because it takes most of the day for my 45 IoT devices to find the closest Deco, so some devices aren't connected well enough to...

@yves_b Apparently my modem doesn't. Shouldn't be the cable, I'm using the one that came with the Deco.

So "Abnormal WAN port speed" error message is normal if you don't have 1GB internet connection?

I have had wifi locks for many years that have Bluetooth as well as wifi. No problem to go to settings to change the wifi settings. There are probably any number of ways to solve this specific...