iphone os

iPhone OS 1.2b1 Beta 1 5A147p March 6, 2008 Release for iPhone OS version 1.2b1. Announced at an Apple Town Hall meeting.[23]


iPhone OS 2.0b2 Beta 2 5A225c March 27, 2008 Release for iPhone OS version 2.0b2,[24] which added Interface Builder, an application for building graphical user interfaces for iPhone applications.[25]


iPhone OS 2.0b3 Beta 3 5A240d April 8, 2008 Release for iPhone OS version 2.0b3.[26]


iPhone OS 2.0b4 Beta 4 5A258f April 23, 2008 Release for iPhone OS version 2.0b4. This version of the SDK supports OpenGL 3D graphics, primarily used to make games,[27] and indications that some applications will be allowed to run in the background (as the iPod, Phone, and Mail applications do), something that Apple had previously stated was not possible.




iPhone OS 2.0b5 Beta 5 5A274d May 6, 2008 Release for iPhone OS version 2.0b5.[28]


iPhone OS 2.0b6 Beta 6 5A292g May 29, 2008 Release for iPhone OS version 2.0b6. The code in this update gave hints about updates to Apple's .Mac[29] service and also gave a first reference to the upcoming version of Mac OS X, version 10.6 Snow Leopard.[30]


iPhone OS 2.0b7 Beta 7 5A331 June 9, 2008 Release for iPhone OS version 2.0b7, which unlocked Apple's .Mac replacement, MobileMe. This release was for WWDC, Apple's developer's conference, which is noted as part of the name of the iPhone OS beta download.


iPhone OS 2.0b8 Beta 8 5A345 June 26, 2008 Release for iPhone OS version 2.0b8.[31]


iPhone OS 2.0 July 11, 2008 Release for iPhone OS version 2.0. This coincided with the launch of the App Store.


iPhone OS 2.1 Beta 1 5F90 July 24, 2008 Release for iPhone OS version 2.1.[32] Apple notes that applications built using the 2.1 SDK will not run on the iPhone 2.0 software, and will not yet be accepted into the App Store.


iPhone OS 2.1 Beta 2 July 30, 2008 Release for iPhone OS version 2.1.[33]


iPhone OS 2.1 Beta 3 August 8, 2008 Release for iPhone OS version 2.1.[34]


iPhone OS 2.2 Beta 1 5G29 September 25, 2008 Release for iPhone OS version 2.2.[35]


iPhone OS 2.2 9M2621 November 20, 2008 Release for iPhone OS version 2.2.


iPhone OS 2.2.1 9M2621a January 27, 2009 Release for iPhone OS version 2.2.1.[36]


iPhone OS 3.0 Beta 1 March 17, 2009 Preview of iPhone OS version 3.0 and SDK 3.0 beta release.[37]


iPhone OS 3.0 Beta 2 March 31, 2009 Release for iPhone OS version 3.0.[38]


iPhone OS 3.0 Beta 3 April 14, 2009 Release for iPhone OS version 3.0.[39]


iPhone OS 3.0 Beta 4 April 28, 2009 Release for iPhone OS version 3.0.[40]


iPhone OS 3.0 Beta 5 May 6, 2009 Release for iPhone OS version 3.0.[41]


iPhone OS 3.0 GM Seed June 8, 2009 Final Release for iPhone OS version 3.0 for developers and private testers only.[42]


iPhone OS 3.0 Final June 17, 2009 Final release for iPhone OS version 3.0 for standard users was released on June 17.[42]


iPhone OS 3.1 Beta June 30, 2009 First beta release for iPhone OS version 3.1 released to developers June 30.


iPhone OS 3.1 Beta 2 July 15, 2009 Second beta release for iPhone OS version 3.1 released to developers July 15.


iPhone OS 3.1 Beta 3 July 27, 2009 Third beta release for iPhone OS version 3.1 released to developers July 27.


iPhone OS 3.1 Final September 9, 2009 Final release for iPhone OS version 3.1 for standard users was released in the Apple "It's Only Rock and Roll, but we like it" special event on September 9, 2009.


iPhone OS 3.1.2 Final October 8, 2009 Final release for iPhone 3.1.2.


iPhone OS 3.1.3 Final February 2, 2010 Final release for iPhone 3.1.3.


iPhone OS 3.2 Beta January 27, 2010 First beta release for iPhone OS version 3.2 released to developers January 27. As of February, 2010, this version is for the iPad only.[citation needed]


iPhone OS 3.2 Beta 2 February 10, 2010


iPhone OS 3.2 Beta 3 February 23, 2010 Redacted from Apple.


iPhone OS 3.2 Beta 4 10M2144 March 9, 2010


iPhone OS 3.2 Beta 5 10M2148 March 17, 2010