I have five units, three x20 and two m4r. One m4r is connected through mesh, all the rest decos are backhauled. Firmwares are up to date. Most of the decos are showing offline in application and I am

I have a setup with two different models of deco: X20 (main deco + two satellites with backhaul) and two M4R (EU) satellite slaves one with backhaul and one through MESH. I have used this setup since