Face Time
Many people have only dreamed about video calling which allows face-to-face communication through phone or other devices. And iPhone 4 makes this dream an everyday experience. With just a simple tap, you can easily start video calling to your best friend or family and there is no setup required. iPhone 4 to iPhone 4 or to the new iPod touch anywhere there is Wi-Fi. It is not just an old dream anymore.

5 Megapixel Camera with LED Flash and new Front-Facing Camera
iPhone 4 supports a 5 Megapixel Camera with built-in LED flash and a new Front-Facing Camera. You can now take and keep more beautiful and detailed photos with powerful camera functions. The advanced backside illumination sensor will help you to maintain great quality of pictures even in dim light. With just a simple tap, you can switch back and forth between these cameras even during a video call and focus on what you want to.

Retina Display
iPhone 4 screen provides very high and supreme resolution display. It comes with a 3.5 inch display but with 4 times more pixels than the iPhone 3GS which means 326 pixels per inch. It is about the limit that human eye (retina) can distinguish individual pixels. This makes text and images superbly sharp and clear.

Multitasking
Within iOS 4 of iPhone 4, it is possible to perform more robust and smarter multitasking while using the phone. Now you can run more than one third-party app at a time without affecting the quality of performance. It also prevents any unnecessary battery drain with great efficiency.

New Processor
The iPhone 4 comes with more powerful battery life which promises more convenient uses of the functions. It stands with 7 hours 3G talk, 6 hours 3G browsing, 10 hours Wi-Fi browsing, 40 hours of music, and 300 hours of standby.
And there is a lot more!