Fed up with this, we need to warn future buyers. ----------------------------------------------------------- If you are thinking of buying a TP-link mesh set (any model), please read this first before

I my home, there is one main router which connects to ISP via Fiber, and 2 switches. I bought 3 Deco M9 and 1 Deco M5. I noticed they can not work unless I connect all Decos directly to the main route