IPhone OS 2

iPhone OS 2 is the second major version of iPhone OS. It was announced by Apple on June 9 at the 2008 Worldwide Developers Conference, and was released on July 11, 2008. Available as a $9.95 upgrade for iPod touch users, iPhone OS 2 introduced key requested features, such as push e-mail.

Trivia

 * This is the only major iOS version that required payment for updating (from iPhone OS 1 to 2.0).
 * This is the first iOS to change the iTunes icon.
 * This is the first iOS to feature the App Store.

iPhones

 * iPhone (1st generation)
 * iPhone 3G

iPod

 * iPod Touch (1st generation)
 * iPod Touch (2nd generation)