you may have missed it, but I dont think you messed it up? dont know which you were asking.
Sand, what fun, drop pressure to 12psi, stock tires are still digging, can't afford to get stuck, 8psi, still not working. Find a place to GET OUT, air up, un-lock hubs, WAIT whats this, hubs are UN-LOCKED already. 2wd, 8psi, stock tires, Oregon sand dunes.