Google Nest Community

I should have done that three years ago. I don't have such an option on the google store. Probably too late now 

I have 2 home mini connected to the same wifi. Since years, one of them always disconnect from the wifi after a few hours. I switched their place in the house. It's always the same that disconnects.I tried with different wifi setup 2.4Ghz, 5Ghz, dedi...