The iPhone 6 and iPhone 6 Plus are smartphones running iOS developed by Apple Inc.The devices are part of the iPhone series and were unveiled on September 9, 2014 and released on September 19, 2014. The iPhone 6 and iPhone 6 Plus jointly serve as successors to the iPhone 5C and iPhone 5S. The iPhone 6 and iPhone 6 Plus include a number of changes over its predecessor, including models with larger 4.7 and 5.5 inches (120 and 140 mm) displays, a faster processor, upgraded cameras, improved LTE andWi-Fi connectivity, and support for a near-field communications-based mobile paymentsoffering.^[16][17]

Pre-orders of the iPhone 6 and iPhone 6 Plus exceeded four million within its first 24 hours of availability—an Apple record.^[18] More than ten million iPhone 6 and iPhone 6 Plus devices were sold in the first three days, another Apple record.