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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.
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]
Xcode 3.1 was an update release of the developer tools for Mac OS X, and was the same version included with the iPhone SDK. It could target non-Mac OS X platforms, including iPhone OS 2.0. It included the GCC 4.2 and LLVM GCC 4.2 compilers. Another new feature since Xcode 3.0 is that Xcode's SCM support now includes Subversion 1.5.
Support for iPhone 3G, [61] iOS 2.0 and the new App Store which features application downloads for the iPhone and iPod Touch as well as enabling the two products to act as remotes for wireless iTunes control. [143] 7.7.1 July 31, 2008; 16 years ago () Improved stability/performance. Last version to support Mac OS X 10.3 Panther. [144] Version
The iPhone Dev Team, which is not affiliated with Apple, has released a series of free desktop-based jailbreaking tools. In July 2008 it released a version of PwnageTool to jailbreak the then new iPhone 3G on iPhone OS 2.0 as well as the iPod Touch, [41] [42] newly including Cydia as the primary third-party installer for jailbroken software. [43]
In addition to battery drains, some iPhone users noticed their devices having excessive heat buildup. [127] It has been recommended by technology experts that users not upgrade their software until the release of a version subsequent to 11.3.1 unless specifically plagued by the 'third party display issue'. [127]
At the time, Jobs only said the iPhone "runs OS X", [2] and according to Chicago Sun-Times columnist Andy Ihnatko, this was confirmed in official briefings and unofficial conversations. [3] iPhone OS 1.0 was released alongside the original iPhone, on June 29, 2007. [4] [5] The iPhone OS 1.1.3 update cost $19.95 for iPod Touch users. [6]
iOS 12 was introduced by Craig Federighi at the Apple Worldwide Developers Conference keynote address on June 4, 2018. [3] The first developer beta version was released after the keynote presentation, [4] with the first public beta released on June 25, 2018. [5]