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The release of iOS 4.2.1 brought compatibility to the original iPad [32] and was the final release supported on the iPhone 3G and 2nd generation iPod Touch due to significant performance issues. The release of iOS 4.3 added support for the iPad 2. [33] It was succeeded by iOS 5 on October 12, 2011. [34]
Obsolete, unsupported. Drops support for the iPhone 3GS and iPod Touch (4th generation). iOS 7 is the seventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 6. It was announced at the company's Worldwide Developers Conference on June 10, 2013, and was released on September 18 of that year.
While still subject to the same limitations, iOS 7.1 did bring some slight performance improvements to the operating system on the iPhone 4. iOS 7, specifically iOS 7.1.2, is the last version of iOS to support the iPhone 4. Unlike the iPhone 4s, the iPhone 4 did not receive the iOS 8 update due to performance issues. [70] [71]
iOS (formerly iPhone OS) [ 8 ] is a mobile operating system developed by Apple exclusively for its smartphones. It was unveiled in January 2007 for the first-generation iPhone, [ 9 ] launched in June 2007. It is the operating system that powers many of the company's mobile devices, including the iPhone.
System 7.5 Update 2.0 – Thag ... iPhone OS 3.2–3.2.2 – Wildcat; iOS 4.0–4.0.2 – Apex; ... iOS 8.4.1 – Donner;
The iPhone Dev Team, Chronic Dev Team, and pod2g collaborated to release Absinthe in January 2012, a desktop-based tool to jailbreak the iPhone 4S for the first time and the iPad 2 for the second time, on iOS 5.0.1 for both devices and also iOS 5.0 for iPhone 4S.
Also added ability to sync and read books with iPhone or iPod Touch with iOS 4 and iBooks 1.1. Added ability to organize and sync PDF documents as books, and to read PDFs with iBooks 1.1 on iPad and any iPhone or iPod Touch with iOS 4. Added option to organize your apps on iOS 4 home screens into folders using iTunes.
Overview of iOS and iPadOS versions Version Initial release date Latest version Release date Device end-of-life iPad iPhone iPod Touch iPhone OS 1