@R-ehv This variation of Deco M4 does not support Connection Preference feature with its current version of firmware. It appears you purchased the whole set from one place, all three units are the...

@R-ehv This feature is not available in some Deco models. For M4, it is even more complex: some M4 variants have that feature and some don't. Usually, this feature availability can be established...

@kes1962 You should be able to connect Deco units directly to ISP router. Most ISP routers support Deco Ethernet backhaul. In a very rare chance yours does not, you may need to get TP-Link gigabit...

@kes1962 Yes, you can have Deco units connected to ISP modem/router with Deco mesh in AP mode. I would suggest the following process to setup Deco mesh: 1. Attach first Deco unit to ISP Router and...

@bazzason With powerline adapters it is hard to tell what speeds you'll get until you try. It depends on quality of electrical wiring and what else is plugged to sockets on same circuit breaker....

@bazzason I would suggest to add another unit. You can also try powerline adapters to create wired link. If you are interested in this option, you can test its feasibility with X50s you already have....