@Jim27 Connection Preference feature will become visible in Deco app only when all Deco units in Deco mesh support it. You have X50 and X20s, it appears either one of these models or both do not...

@ITV2024 Correct. Also, this is how you do that (in case you haven't found it already): Switching a Deco to Access Point (AP) Mode

@ITV2024 Start with this TP-Link FAQ: General questions about Ethernet Backhaul feature on your Deco

@Pilske If you are happy with how M4R connected, just keep it that way. My recommendation would be to install beta firmware on M4R which will unlock connection configuration feature. Because it is...

@alatalla Your router NX510V is not compatible with Deco mesh. Your router, according to its description, supports EasyMesh. To make single WiFi mesh, you will need to add EasyMesh capable devices to...

@Pilske Thanks for diagram, it helps. You do not have it wired properly for all wired Deco to use Ethernet backhaul. More on this topic can be found here: General questions about Ethernet Backhaul...