@ftAC What does happen when you remove the latest device: do you get Deco app working again? Also, do any of Satellite Deco use Ethernet backhaul, or are they all connect wirelessly to Main Deco?...

@SayeemAhmed This may be a simple question, but I am not sure what exactly you are asking. If your Main Deco is "regular" X50 and not X50 Pro, its Ethernet ports are gigabit. When you see "Abnormal...

@wabula Do not ignore that Red LED - this may be the cause or contributing factor to issues you see. Just in case, replace Ethernet cable that connects Main Deco to ISP modem/router, or at least...

wabula wrote @Alexandre. Suggestion is to not mix models? Honestly thought that was as one of pros of deco. This is unfortunate as I have a wired device in the loft, which is connected to my single...

@wabula One more thing: if Android Deco app is not responsive, close it completely (or reboot smartphone) so that you can manage to delete M5s in Deco app. On closing (not just hiding) and opening...

@wabula Delete all M5s from your Deco mesh, in Deco app. Add remaining X60s as Satellites. Run Deco mesh with three X60s only. In a similar case someone found that having X-series and M5s together...