That’s what Passpoint (aka Hotspot2)’s Online Sign Up is supposed to do. Main network is protected by WPA2/3-Enterprise (aka EAP), and there’s the OSU open netw

That’s what Passpoint (aka Hotspot2)’s Online Sign Up is supposed to do. Main network is protected by WPA2/3-Enterprise (aka EAP), and there’s the OSU open network where you can get signed up and get a profile installed for the full main network. And every modern device supports EAP these days.