I had this issue too. The nest mini would disconnect every single day.
So as a last resort, I connected the last nest mini to my guest net
work, which does not have 5Ghz enabled, and that solved it. It has never
disconnected since.
I have tried resetting it and it was fine for a couple of days. And then
started disconnecting again. Both my Alexa dot speakers don’t have this
issue and have never had it. Furthermore the Nest Mini started having
this issue in the last 3 months whi...