@Senna7004 If you plan to add XE75, the best approach would be to have XE75 as Main Deco. How many additional Deco XE75 units you plan to add to your three Deco M9 Plus? Do you plan to keep M9 Plus...

@Senna7004 In general, newer WiFi protocols mean faster speeds, but shorter distances. WiFi6 will be faster than WiFi5 when standing near the WiFi node, but as you walk away WiFi6 will be more...

@Senna7004 Have you considered to just add more M9 Plus Deco? Also, what is the speed of your Internet link? WiFi 7 hardware is usually expensive, and makes sense when Internet speed is over gigabit.

@HAL2000 Synology NAS DS220+ owner here. These are my NAS network configuration settings that do work. IPv6 is disabled - I suggest you do the same. NAS is connected on LAN 1. LAN 2 has self assigned...

@NoAngel Here is what I have. My Synology NAS DS220+ is wired directly to the router (it would be to Huawei EchoLife HG8045Q in your case). I run Deco mesh in AP mode, just like you. With that setup,...

@JGMH MFC J985DW printer description says it has Ethernet connectivity. Try connecting printer with Ethernet cable to one of Satellite Deco, to see if that works.