List of iOS operating systems (all time)
A list of versions of iOS – mobile operating systems belonging to the iOS family (originally iPhone OS family).
iPhone OS 1
iPhone OS 1 is the first major release of iOS. iPhone OS 1.1.5 is the latest and final version of iPhone OS 1. This version of iOS was the first iteration of Apple's touch-centric mobile operating system. No official name given on...
iPhone OS 2(2008)
iPhone OS 2 is the second major release of iOS. It was the first release of iOS to support third-party applications via the App Store. iPhone OS 2.2.1 was the final version of iPhone OS 2. iPhone OS 2.0, the second major release o...
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See also the ranking: