Very easy - terminate conservatorship + NWS and receive favorable SCOTUS ruling. Then announce uplisting, the stock price will rise $7+ to meet the criteria for the big boards.
The price doesn't just need to go above $5, though. Institutions that can technically buy at $5.01 won't want to do so due to the risk that the price drops below $5 and they have to liquidate, likely at a loss. Even higher single-digit prices wouldn't remove that fear, only lessen it.
To really get the big money involved, the share price likely has to be over $30, and preferably even higher. Getting there organically is impossible due to all the dilution that Calabria said is coming, leaving only a reverse split.