Apple CEO Tim Cook took the stage to end the wait of fans who have been looking forward to the next-generation iPhones for a year. At the event in the Steve Jobs Theater at the company's new headquarters in Cupertino, California, Mr Cook says the brand has created new categories of technologies that have had a profound effect on people worldwide. Apple is also set to ship the 2-billionth device running on iOS, the mobile operating system that powers iPhones, iPads, and iPod touch models. The iPhone Xs, iPhone Xs Max and iPhone Xr have been launched, with dual-SIM functionality.