@Shrops I can't tell what went wrong with your E4s, they should have been good addition to M4 Deco mesh. I'll just focus on second part of your post: Deco mesh extension. The point of WiFi mesh is to...

@lainelaz Do not create different network for Deco 3: you will lose WiFi mesh benefits and will end with two separate independent WiFi networks. Is Deco 3 works OK if it is wirelessly connected to...

@MatanR Turn off WiFi on Archer router, don't make any other configuration changes in it. Add and configure Main Deco through Deco app. Main Deco must be wired and I would recommend for initial...

@MatanR Archer VR600 home router is not compatible with Deco mesh. Archer VR600 router WiFi coverage can be extended by adding OneMesh range extenders. It is possible to run Deco mesh together with...

@2frustrated Check this forum topic: https://community.tp-link.com/en/home/forum/topic/609248 You may be able to upgrade your XE75 to new firmware that supports Signal Source selection, meaning after...

@RonaldRSC See this document that discusses how Deco units must be connected to use Ethernet backhaul: General questions about Ethernet Backhaul feature on your Deco If that document does not help,...