@David-TP I did not remember the previous version of the firmware, is there a way (log) to find out?

@David-TP Last week I changed the main Deco to an (almost new) other Deco, but the problem remains. I think now that the problem all started with updating the system to the firmware 1.9.1.. Is there...

@David-TP David-TP wrote @Pewill Hi, thank you very much for the feedback. Have you tried to set a different Deco as the main Deco, maybe the "spare, almost-new" Deco M5? How to replace the main Deco...

@David-TP I tested the situation now from saterday up to this day with my new KPN box modem router, but today my wife called me that she had no internet and that the TP-link Deco (the one connected...

@David-TP Yesterday I heard that KPN (internet provider) will replace my Experiabox by the KPN box V12. Maybe this will also improve the situation, I can test that tomorrow.

@David-TP Thank you David for your reply. See above the map: btw, the 'Tuin / diver' Deco is almost allways disconnected by purpose. Normally I have around 20 devices connected to the Wifi, and...