How KaiOS claimed the third-place mobile crown


In December 2015, Mozilla announced it would be abandoning Firefox OSas a smartphone platform. Many assumed the company's withdrawal would kill any hope of a mobile operating system built around the open web, rather than a combination of native apps and tightly-controlled storefronts. In the last few years, plenty of "alternative" smartphone platforms, including Ubuntu Touch and Windows 10 Mobile, have faded into obscurity, too. Jolla has struggled on with Sailfish OS, but it's never felt like a true challenger to the Android and iOS duopoly.

Three years later, a surprising competitor has emerged: KaiOS. The relative newcomer, which makes feature phones smarter, is already running on more than 80 million devices worldwide.

How did it grow so big, so quickly? With a little help from Firefox OS.

(Read more on Engadget)