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iOS version history. iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [2] With iOS 13, Apple began offering a separate operating system, iPadOS ...
iOS 4 is the fourth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 3.It was announced at the Apple Special Event on April 8, 2010, and released on June 21, 2010. iOS 4 was the first version branded as "iOS" rather than "iPhone OS", [1] due to the release of the iPad.
Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold. The iPhone was the first mobile phone to use multi-touch technology. [3] Since the iPhone's launch, it has gained larger screen sizes, video-recording, waterproofing, and many accessibility features.
IPSW. IPSW is a file format used to install iOS, iPadOS, tvOS, HomePod, watchOS, and most recently, macOS firmware for devices equipped with Apple silicon. [3] All Apple devices share the same IPSW file format for iOS firmware and their derivatives, allowing users to flash their devices through Finder or iTunes on macOS or Windows, respectively.
The original iPhone OS (1.0) up to iPhone OS 3.1.3 used Darwin 9.0.0d1. iOS 4 was based on Darwin 10. iOS 5 was based on Darwin 11. iOS 6 was based on Darwin 13. iOS 7 and iOS 8 are based on Darwin 14. iOS 9 is based on Darwin 15. iOS 10 is based on Darwin 16. iOS 11 is based on Darwin 17. iOS 12 is based on Darwin 18. iOS 13 is based on Darwin ...
Drops support for the iPhone 4. iOS 8 is the eighth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 7. It was announced at the company's Worldwide Developers Conference on June 2, 2014, and was released on September 17, 2014. It was succeeded by iOS 9 on September 16, 2015.
iPadOS 14 (iPadOS version derived from iOS 14) iOS 14 is the fourteenth major release of the iOS mobile operating system developed by Apple for the iPhone and iPod touch lines. Announced at the company's Worldwide Developers Conference on June 22, 2020 as the successor to iOS 13, it was released to the public on September 16, 2020. [4][5] It ...
On June 6, 2022 at WWDC 2022, its successor, iOS 16, was announced. iOS 15 was officially succeeded by iOS 16 on September 12, 2022. iOS 15 is the final version of iOS that supports the iPhone 6s & 6s Plus, first-generation iPhone SE, iPhone 7 & 7 Plus, and iPod Touch, as its successor, iOS 16, drops support for those models, including the ...