@HoRangMo I ended up replacing both my Deco M9+ units under warranty and have no issues now. I suggest you try the same as Tp-Link tech support didn't have any solution besides to replace the units....

@tykra no response and no support. I will not be buying another TP-Link product after this experience.

@Kevin_Z Hi there, I seem to be having a similar issue as well. I have 1 main deco and 1 satelite deco and on my satelite deco I have a wired in laptop and another laptop on wifi. I notice that the...