@David-TP The layout is around ISP---Router---Main deco M5---Deco M5---Deco M5 they are roughly 5 meters apart from each other I'm not expecting full speed at the end but i was hoping for something...

I have been getting really slow speeds after the main deco each one is a max of 5 meters thought a wall from each other main deco says 870mbps in the app but by the 3rd deco it's 200mbps or below. I...

@David-TP Does 1.1.0 work on all versions of the deco m4