This guide describes the features of iOS 7.1, and of iPhone 4, iPhone 4s, iPhone 5, iPhone 5c, and iPhone 5s.
Your iPhone features and apps may vary depending on the model of iPhone you have, and on your location, language, and carrier. To find out which features are supported in your area, see www.apple.com/ios/feature-availability.
Note: Apps that send or receive data over a cellular network may incur additional fees. Contact your carrier for information about your iPhone service plan and fees.