@RonnekeNl After resetting the deco's (tiny hole bottom deco), i now have a network speed of average 106 Mbps. If i use only the main deco, which is utp connected, i get a dowbload speed of 250 Mbps!...

Today i bought an AC1200 Deco S4 (home Mesh Wifi This home mesh wifi system has up to 867 Mbps download on 5 Ghz band. After a speedtest, it seemed that i only got 9.47 Mbps download! I tried further...