iPhone 6 and iPhone 6 plus launched: Read details, features and price

The new iPhones come with iOS 8, the latest version of Apple's mobile operating system, which will be available beginning on September 17th for all devices going back to the iPhone 4S. Apple Pay is a new feature in the iOS 8 which is an all-new NFC mobile payments system. It lets users pay for things with their phone instead of your credit card at checkout counters. The system works by storing your credit card numbers in the Passbook app.