@leizerar Glad to hear you found a solution that works for you. Main Deco requires Ethernet link to modem/router. It will not connect to modem/router by WiFi. Because of that, it does not make sense...

@DevonAlex Below is app main screen from my Android smartphone. It has "Scan" at the bottom, also at the top it has SSID of WiFi network my smartphone is connected to (I redacted it for privacy...

@DevonAlex What happens when you select Scan - the middle icon on the bottom of the app? This is where WiFi networks around you are reported.

DevonAlex wrote @Alexandre. Thanks for your response. so in fact they will give out the same signl, no matter what mode they are in. Many thanks ~Alex @DevonAlex This is correct. You may need to...

@leizerar For what it worth, I have two Satellite M5s connected with Ethernet cables directly to ISP router, both report Ethernet link and have been like that for 2 years already. I can think of...

@asiawatcher If all three of your Deco are M5 and you plan to add another M5, you should be able to configure new M5 to connect to Ground floor Deco. See this document, part 1: How to select a...