iOS 2 (officially known as iPhone OS 2) was released on July 11, 2008. It came with the launch of the iPhone 3G and introduced the App Store, which allowed third-party apps to be installed on iPhones for the first time.
If you are asking about the latest iOS version, iOS 26 is expected to be released in September 2025, with previews and beta versions already available for developers and public testers since mid-2025.
Please confirm if you meant iOS 2 from 2008 or the latest iOS 26 in 2025.
