@VCL Things have improved for me since using ethernet backhaul to link the M4 units with fast roaming disabled. Alexa devices now behaving with no drops. I suspect that the devices reporting WiFi but...

I'm having very similar issues since replacing my WiFi with two Deco M4Rs in router mode. I'm seeing 2 Amazon Fire 7 tablets and various Echo's and Echo dots dropping off. The Echos will eventually...