@David-TP Hi David, thx for your feedback and tips, will try. Any thoughts for the iMac that experience the same issue? Btw, the thing that (at least) sets the 2 devices apart from all the others is...

The Deco M9 has been working flawlessly for years. Lately though, for some reason, my iPhone and home iMac disconnect from the WiFi. Usually means that I'm on 5G for some hours on my phone before I...