Google Nest Community

I have the initial router setup and it is working great, but when I went to add a point for a mesh setup I am having issues.When using the Google home app it goes thru all the steps and gets to a spot to name the network, but there is already a netwo...

I read somewhere that a guest account only accesses the 2.4 ghz band when created?Since I am trying to setup home automation devices, this would be handy since Google puts everything on 5 ghz if possible, like the phone trying to setup the automation...