Apple says it has sold 9 million iPhone 5s and 5c models since their launch on Friday. Here, staff members at an Apple retail store in Beijing cheer a customer after he bought a new iPhone. Andy Wong/AP hide caption

itoggle caption Andy Wong/AP

Apple marketing executive Phil Schiller describes the new iPhone 4S's camera, which includes 1080p HD video, at Apple headquarters in Cupertino, Calif.

Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP