Just another point, does the deco s4 support than lan connection? I would much rather use lan over wireless. If not, can you tell me another relatively cheap model of deco that does?

terziyski wrote @Amogh_R Read through this thread - it includes a video guide for setting up and the device list that currently supports EasyMesh. Although, keep in mind that Easy Mesh doesn't...

How do you setup easymesh? I am planning to buy these routers + wifi extender. There will be one main router, a extender connected by ethernet and the other router upstairs connected by LAN -> WAN....