Receivers updated using this method seemingly aren't on the same "path" as receivers that are selected by Dish to be part of the test pool, it would appear. I've seen mention that the s/w being installed by this method is from October 2015 and that the official testers are using substantially different (updated) s/w.
That said, Scott did mention that receivers updated this way, or some of them based on some hardware configuration, may never get updated and will be stuck with this s/w version. He has since indicated that that is not the case (I thought).
Receivers with this s/w may still not get updated until the Carbon UI is officially released though.