i used iOS 8 is the operating system that runs on iPad, iPhone, and iPod touch devices. The operating system manages the device hardware and provides the technologies required to implement native apps. The operating system also ships with various system apps, such as Phone, Mail, and Safari, that provide standard system services to the user. Quickly find and edit the photos you take. Add your voice right in a text message. Let your health and fitness apps communicate with each other, with your trainer, and even with your doctor. You’ll have new keyboard options and even more ways to share your content. And you’ll be able to use iCloud and Touch ID in ways you never have before.