

The most notable feature of iPhone OS 2 was the App Store. 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. This version of iOS introduces the App Store, making third-party applications available to the iPhone and iPod Touch. Devices running iPhone OS 1 are upgradable to this version. IPhone OS 2.0 became available on Jwith the release of the iPhone 3G. It was succeeded by iPhone OS 3 on June 17, 2009. iPhone OS 2.2.1 was the final version of iPhone OS 2. It was the first release of iOS to support third-party applications via the App Store. IPhone OS 2 is the second major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 1. Obsolete, extremely limited third party app support Proprietary except for open-source componentsĪpple - iPhone - Software Update - 2.0.0 at the Wayback Machine (archived September 12, 2008)
