The iPhone 11 is a smartphone designed, developed, and marketed by Apple Inc. It is the 13th generation of iPhone, succeeding the iPhone XR, and was unveiled on September 10, 2019 alongside the iPhone 11 Pro at the Steve Jobs Theater in Apple Park, Cupertino, by Apple CEO Tim Cook. Preorders began on September 13, 2019, and the phone was officially released on September 20, 2019, one day after the official public release of iOS 13. As of March 2022, the iPhone 11 has sold 159.2 million units worldwide, making it the tenth best-selling smartphone of all time.