High Quality Content by WIKIPEDIA articles! The version history of iOS (formerly iPhone OS) began with the release of the iPhone on June 29, 2007. This operating system from Apple Inc. now runs on all of the iPod touch and iPad generations as well. Apple provides updates to the operating system for the iPhone, iPad and iPod Touch system through iTunes, similar to the way that other iPods are updated, and touts this as an advantage compared to other mobile phones and devices. Security patches, as well as new and improved features, are released in this fashion.

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