The iPhone that came out in 2010 was the iPhone 4. It was the fourth generation of the iPhone lineup, succeeding the iPhone 3GS and preceding the 4S. The iPhone 4 was first unveiled on June 7, 2010, at Apples Worldwide Developers Conference in San Francisco, and was released on June 24, 2010, in the United States, United Kingdom, France, Germany, and Japan. It introduced a glass body design, Retina Display, and support for FaceTime.