Even Samsung’s newest flagship phones continue to run outdated Nougat software goodies. Officially, that is, with public beta testers in a number of markets treated to several rounds of experimental OS promotions on their Galaxy S8 and S8+ units.
It definitely shouldn’t be long now, and for what it’s worth,
Carrier testing could take anywhere from a couple of weeks to several months, so it’s still hard to say when Magenta’s S8-owning customers might receive their OTA updates. But as far as unlocked variants are concerned, it’s probably a matter of days now.