

You’d need an operating system that uses it. It’s going to be at least as difficult as flashing a custom rom, but likely even more so, as there might not be a ready-made build. Definitely something to experiment with on a secondary phone. PostmarketOS is your best bet, here are others that support Plasma Mobile.
More than likely they’re going to cooperate with Bosch and some more specialized companies to make this happen. This is then going to be used by other manufacturers as well.