skribble wrote @TP-Link Where can i check my Deco M5 version? im not sure what is, if 1.0 or other one. On the management webpage it shows: M5(1.0) @skribble There is sticker with version number on...

This is what's inside the link shared in Post #390: If you see your country code in firmware file name, it should be safe to try manual install.

@MVLRM You've got two conflicting opinions, but they are from the same solution. You need to wire Deco 2 to Main Deco. Bounce Decos 3,4,5 and if they reconnect to wired Deco 2 you are all set. If...

@MVLRM Deco 3,4,5 will still try to connect to Main Deco, but if you can wire Deco 2 it could be made Main. The process depends on how you run your run Deco mesh: in Router or in Access Point mode....

DTSgp wrote Currently I have 2 units M4, thinking to add another 1-2. What's the recommendation model besides M4? @DTSgp The most affordable would be E4, but only if you plan to use it as a Satellite...

@Mikestjames Your current setup, with Netgear router, should work better for you. I am only concerned with 300Mbps speed - Netgear router should be able to handle 800-900Mbps through wired connection...