That's a misleading chart, since it shows "cummulative sales". Here, complete numbers: http://communities-dominate.blogs.com/brands/2018/02/smartphone-stats-ful

That's a misleading chart, since it shows "cummulative sales". Here, complete numbers: http://communities-dominate.blogs.com/brands/2018/02/smartphone-stats-full-year-2017-top-10-os-installed-base-and-everything-else-you-ever-wanted.html http://communities-dominate.blogs.com/brands/2018/02/smartph... You can see, total market grew by less than 200M as opposed to more than 500M last year. Definitely "decelerating".