IPhone OS 3

iPhone OS 3 is the third major release of the iOS mobile operating system developed by Apple Inc., succeeding iPhone OS 2. It was announced on March 17, 2009, and was released on June 17, 2009. It was succeeded by iOS 4 on June 21, 2010; the new version dropped the "iPhone OS" naming convention. iPhone OS 3 was the last version to use the "iPhone OS" naming convention.

iPhone OS 3 added a system-wide "cut, copy, or paste" dialog bubble, allowing users to more easily move content. It also introduced Spotlight, a search indexing feature designed to help users locate specific information on their device, such as contacts, email messages or apps. The home screen was expanded to let users add up to 11 pages, showcasing a total of 180 apps. The Messages app received support for MMS, while the Camera app received support for video recording on the iPhone 3GS, and a new "Voice Memos" app let users record their voice.