@Vincent-TP Here are the requested screenshots - as far as I can see, there have been no changes in wireless interferences - the three APs have been in the same positions and neary SSIDs from...

I updated two EAP773 and one EAP650 to two EAP787 and one EAP773 - same exact mounting positions as before. Originally, when I did the WLAN optimization - I would get a strong 80% WLAN experience...

@Clive_A I have carefully read every item in this thread - I do not know what you mean about "I created a separate setup guide regarding the context and the possible environment." - are you referring...

@Clive_A Understood. "I wish not to make this post a private support ticket-alike to serve you only." - This is NOT meant for my personal gain - and was meant to improve the Omada offering in general...

@Clive_A You wrote previously "Like I said, you should provide details and a diagram." - I then supply more information and now you just refer me to the "setup guide" again ?!? Which doesn't solve...

@Clive_A I posted some pictures describing the issue in more detail - any ideas ??