Not sure that it belongs here but looking at
https://vk.com/doc86155289_438423963...fadacc90383e3b
a file on the cooperation between SFOS and Open Mobile which seems legit to me,
help by some google translation, there is one slide affirming that SFOS is pre-installed on 5 difference phone devices. Most of them are obvious to regular readers of TMO but there is one which surprised me: mi-fone 5
Something coming soon (tm) ?