@DAWO57 I think you should consider Deco X-series. They are WiFi6, which means they should deliver gigabit speeds, which would be future proofing. They are of reasonable price comparing to WiFi7 Deco...

@14paavang I just noticed TP-LINK Support comment that X10 also supports connection preference feature, with newly released firmware update. If X10 are sold in your region, check those: similar form...

@iGOD My apologies, that's all I can help you with. Maybe someone else will read this topic and have other suggestions for you to try. I have Deco M9 Plus in my Deco mesh. They do run stable with...

@iGOD From screenshots, I don't see any obvious problems with Satellite Deco and their connection to Main Deco. Still, I would suggest moving Living Room Deco closer to Main Deco, you said they are...

@iGOD Thanks. Please also add Living Room Deco screenshot.

@iGOD When your Satellite Deco are online, open their info pages in Deco app. You should see similar to this example info: In this example Signal is Fair. Also, connection from Satellite to Main Deco...