I set both of my Deco M4 into AP while use the ISP provided stock router Archer C5 as the main router (disable wireless). The issue which I have raised has since disappeared 😊 Basically the setup is...

Just bought and replaced 3 days ago my ISP router TP-Link Archer C5 to TP-Link Mesh M4. Generally working well as the I managed to get 100-105mbps download and 50-55mbps upload through speedtest with...