If you can use the box without the service, just do it.
I think the actual answer is that you can't. Just because the technology is there in such a way that it theoretically could, doesn't mean that is actually what you bought.
> If you can use the box without the service, just do it.
They prevented that by locking the boxes, and threatened prosecution to someone trying to undo those locks: Futurehome CEO threatens police action after I offer $5,000 bounty to free his ransomed customers - https://www.youtube.com/watch?v=RwSkwh3nWv8
It's like if the landscaper tried charging me for using my own lawnmower, myself.