Answer: nothing at all, you've put that right.

Untill of course HMD Global were to finally put Jolla Sailfish on it and start influencing & assisting Jolla's Sailfish development to become the VERY core of all future HMD Global devices to be what the N9 , N950 could and should have been close to a decade ago: two complementary productivity smartphone phones that everybody craves and that feeds again non stop speculating about the bright future of mobile.