I'm using Deco M4 for more than one year now. Yes it is the only unit which lost 2.4Ghz signal source and caused unstable internet connection if my devices are connected to that unit. I also tried...

I have three units of Deco M4R. Recently i encountered unstable internet connection and i noticed that one of my Deco is losing 2.4Ghz signal source from the main Deco. I've attached an image of the...