Just to be clear, when using Band Steering I can see in the configurations of the wifi that it's indeed 2.4Ghz/5Ghz. So it's a problem when enabling 2.4Ghz and 5Ghz sepparatly

In the configurations of the router, when I try to enable the 2.4Ghz wifi, none of my devices can see it (not showing in the wifi page). But the 5Ghz works just fine, that is, devices can see it and...