iPhone OS 2

iPhone OS 2
A version of the iOS operating system
Developer Apple Inc.
Source model Closed, with open source components
Initial release July 11, 2008 (2008-07-11)
Latest release 2.2.1 / January 27, 2009 (2009-01-27)
Platforms iPhone (1st generation)
iPhone 3G
iPod touch (1st generation)
iPod touch (2nd generation)
Kernel type Hybrid (XNU)
License Proprietary EULA except for open-source components
Preceded by iPhone OS 1
Succeeded by iPhone OS 3
Official website iPhone OS 2 at the Wayback Machine (archived September 12, 2008)
Support status
Unsupported as of Mid 2011

iPhone OS 2 is the second major release of iOS. It was the first release of iOS to support third-party applications via the App Store. iPhone OS 2.2.1 was the final version of iPhone OS 2.

History

iPhone OS 2.0, the second major release of iOS, became available on July 11, 2008 with the release of the iPhone 3G. Devices running 1.x are upgradable to this version. This version of iOS introduces the App Store, making third-party applications available to the iPhone and iPod Touch. Prior to the public release of iPhone OS 2.0, Apple held a keynote event to announce the iPhone OS Software Development Kit ("SDK") to developers.

Features

The most noticed feature of iPhone OS 2 was the App Store. Before this feature was introduced, the only way to install custom applications on the device was via jailbreaking, which is strongly discouraged and unsupported by Apple. There were 500 applications available for download at the launch of the App Store, though this amount has grown dramatically since then. Now, App Store has more than 1.5 million apps as of 2016.

iPod Touch price

iPhone OS 2 cost $9.95 for iPod touch users and free for iPhone users.

Version history: portable iOS devices

Supported devices

iPhone
iPod Touch
  • iPod Touch (1st generation)
  • iPod Touch (2nd generation)

Preceded by
iPhone OS 1		 iPhone OS 2
July 2008 		Succeeded by
iPhone OS 3
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