@Jduke7 unfortunately I still face these problems, so I wound not upgrade firmware on your X55.

@Hsalcedo unfortunately not, problem still persists :/

@David-TP Ethernet backhaul: Main Deco -> TL SG1016DE switch -> other decos.

@Omochao nope, and I really want to avoid solutions like that. The internet connection itself is stable, no client reports any problems, only deco app goes crazy.

@David-TP done, logs and screens set via app.

So, a week ago I upgraded all my Deco to 1.2.0 Build 20231229 Rel 43148 (at least this is what the app shows) and after that Deco app became very, very unstable. Main problems: -it continously shows...