Overview of iPhone 4 features iPhone 4 is the most powerful, flexible, and intuitive phone ever. With new features like multitasking, FaceTime video calling, improved mail, and enhanced security, iPhone makes even more sense for your business. iPhone FaceTime Multitasking Retina Display

Overview of iPhone 4 features FaceTime works right out of the box — no need to set up a special account or screen name. And using it is as easy as it gets. Let’s say you want to start a video call with your best friend. Just find her entry in your Contacts and tap the FaceTime button. Or maybe you’re already talking on a voice call with her, iPhone 4 to iPhone 4, and you want to switch to video. Just tap the FaceTime button on the screen. Either way, an invitation pops up on her screen asking if she wants to join you. When she accepts, the video call begins. It’s all perfectly seamless. And it works in both portrait and landscape modes.

Overview of iPhone 4 features Retina display uses technology called IPS (in-plane switching) — the same technology used in the Apple LED Cinema Display and iPad — to achieve a wider viewing angle than on typical LCDs. Which means you can hold iPhone 4 almost any way you want and still get a brilliant picture. That’s perfect when you’re sharing photos with a friend or moving your iPhone around while playing a driving or flying game. In addition, the Retina display offers four times the contrast ratio of previous models, so whites are brighter, blacks are darker, and everything is more beautiful.

Overview of iPhone 4 features Multitasking user interface allows you to quickly switch between apps. Just double-click the Home button to reveal your recently used apps. Scroll right to see more apps, then tap one to reopen it. No need to wait for the app to reload. Apps can remember where you left off. So when you return to the app, you can jump right back into playing your game, reading the news, finding a restaurant, or whatever you were doing.