iOS 10 officially went out on September 13. And today, less than one month from that moment, 66% of supported devices are already running the latest version of Apple's mobile operating system. This is a record breaking achievement, even compared to past iOS updates. They all do well when it comes to adoption (especially against Android), but iOS 10 has been a breakout hit. As you can see from the metrics portrayed below, no other iOS release has reached such a big install base in such a short amount of time before. Interestingly, the adoption rate of iOS 10 initially lagged way...
Source: http://www.gsmarena.com/ios_10_is_running_on_66_of_devices_less_than_a_month_since_release-news-20988.php
