11 and 12 before being dropped by iOS 13, and they are the third to support five versions of iOS after the iPhone 4S and the iPhone 5. History From the launch of the original iPhone to the iPhone 4S, iPhones used 3.5-inch displays—which are smaller than screens used by flagship phones from competitors. The iPhone 5 and its immediate successors featured a display that was taller, but the same width as prior models, measuring at 4 inches diagonally. Following Apple's loss in smartphone market share to companies producing phones with larger displays, reports as early as January 2014 suggested Apple was preparing to launch new iPhone models with larger, 4.7-inch and 5.5-inch displays. Reports prior to its unveiling also speculated Apple might use a new iPhone model to introduce a mobile payments platform using near-field communications—a technology that has been incorporated into many Android phones, but has experienced a low adoption rate among users. The iPhone 6 and iPhone 6 Plus were officially unveiled during a press event at the Flint Center for Performing Arts in Cupertino, California on September 9, 2014, and released on September 19, 2014; pre-orders began on September 12, 2014, with the iPhone 6 starting at US$649 and the iPhone 6 Plus starting at US$749. In China, where the iPhone 5C and 5S were the first models in the iPhone series to be released in the country on the same day as their international launch, Apple notified local wireless carriers it would be unable to release the iPhone 6 and iPhone 6 Plus on the 19th there were "details which are not ready"; local media reported the devices had not yet been approved by the Ministry of Industry and Information Technology, and earlier in the year, a news report by state broadcaster China Central Television alleged iPhone devices were a threat to national security because iOS 7's "frequent locations" function could expose "state secrets." In August 2015, Apple initiated a replacement program for some early iPhone 6 Plus models that were found to have potentially faulty cameras that could be causing photos to appear blurry. On September 9, 2015, with the release of the iPhone 6S and iPhone 6S Plus, the iPhone 6 and 6 Plus were moved to the mid-range of the iPhone lineup. The 128 GB versions of the iPhone 6 and iPhone 6 Plus was discontinued along with the gold version of