iOS 2, originally called iPhone OS 2, was released on July 11, 2008, alongside the launch of the iPhone 3G. It was the second major release of the iOS operating system and introduced the App Store for third-party applications. This update was free for iPhone users and available as a paid update for iPod touch users at the time.
If the question was about the current latest iOS version release, iOS 26 was released on September 15, 2025, with a rollout time that varies by region.
