iOS is considered one of the most advanced operating system. The system is now only available in Apple’s iPhone.  Well, Apple is the only creator of this advanced system.  The features and technologies built into iOS 4 keep the iPhone a step ahead than any other mobiles.

1. If you are using the phone first time, you may be little confused to use the revolutionary multi-touch interface. You need to control everything with a tap, swipe, drag, pinch, flick  and twist of your fingers.

2. The FaceTime +iOS4 feature allows user to talk with their near ones face to face.

3. It has the Game Center app that able you to enjoy social gaming.

4. The operating system introduces a whole new way of multitasking. It allows to switch quickly between apps. The high definition phone pick up right where you left off. In other words, you can jump right back into the work you involved with your iPhone.