Apple iOS 8 8.1.3

iPhone, iPad, iPod touch, and Apple Watch operating system.iOS is the foundation of iPhone, iPad, and iPod touch. It comes with a collection of apps that let you do the everyday things, and the not-so-everyday things, in ways that are intuitive, simple, and fun. And it's loaded with useful features you'll wonder how you ever did without.It's designed to look beautiful and work beautifully, so even the simplest tasks are more engaging. And because iOS 8 is engineered to take full advantage of the advanced technologies built into Apple hardware, your devices are always years ahead -- from day one to day whenever.