Apple iPhone 4, is designed with the information of three years of experience designing and building the phones. iPhone 4 the world’s thinnest smartphone.
What's new • Front-facing video chat camera• Improved regular back-camera • Camera flash• Micro-SIM instead of standard SIM (like the iPad)• Improved display with 960×640 pixels • Two microphones for noise cancellation.• Split buttons for volume• Power, mute, and volume buttons are all metallic
Higher resolution with Retina display
The black glass is aluminosilicate glass, the glass is "chemically strengthened to be 20 times stiffer and 30 times harder than plastic.
Engineered Glass All the breakthrough technology in iPhone 4 is situated between two glossy panels of aluminosilicate glass - the same type of glass used in the windshields of helicopters and high-speed trains. It’s also recyclable.
Retina Display The 3.5-inch multitouch screen has a resolution of 960×640 pixels. Apple calls it the Retina Display, and it has four times as many pixels as the current iPhone 3GS' display. The screen has 326 pixel per inch resolution, making it the highest-resolution phone screen ever.
Multitasking iPhone 4 introduces a whole new way of multitasking. Now you can run your favorite third-party apps and switch between them instantly without slowing down the performance of the foreground app or draining the battery unnecessarily.This smarter approach to multitasking is available only on iPhone.
FaceTime The biggest feature of the new iPhone 4 is probably video calling. Apple calls it FaceTime, and it works iPhone 4 to iPhone 4 over Wi-Fi. The iPhone 4 can use both cameras for video calling, so you can broadcast what is in front of you to another iPhone 4.
iMovie for iPhone The new iPhone 4 will be able to use a new editing software from Apple: “iMovie for iPhone”. It comes with 1,500 new features. The new iMovie for iPhone works on even 720p high definition. It can be used to cut the video clips, add automatic Ken Burns effects for still images.
HD Video Recording and Editing Shoot your own movies in high definition. Capture impressive video even in low-light settings, thanks to the advanced backside illumination sensor and built-in LED light. Then edit and create your own mini-masterpiece right on iPhone 4 using the new iMovie app.
Gyroscope The new iPhone 4 has a gyroscope built-in. This means that it can track movement with a very high precision, much higher than the built-in accelerometers in the previous iPhones. It's 3-axis, so it's capable of detecting pitch, roll, and yaw. Couple with the accelerometer, you have 6-axis motion sensing.
Take beautiful, detailed photos with the new 5-megapixel camera with built-in LED flash. The advanced backside illumination sensor captures great pictures even in low light. And the new front-facing camera makes it easy to take self-portraits.
The built-in LED flash does double duty. When you’re taking pictures, it works as a flash. When you’re shooting video it can stay on to light up the scene.
Stainless Steel Band Created from our own alloy, then forged to be five times stronger than standard steel, the CNC-machined band is the mounting point for all the components of iPhone 4.
Battery life The battery is 16% bigger than the current one. Coupled with the A4 processor and new display, it results in a longer battery life: Apple claims 40% more talk time. Here are their figures: • Talk over 3G: 7 hours
Talk over 2G: 14 hours.• Browsing over 3G: 6 hours.• Browsing over Wi-Fi: 10 hours.• Video: 10 hours.• Music: 40 hours.• Stand-by: 300 hours.
Microphone + Speaker While most phones have only one microphone, iPhone 4 has two. The main mic, located on the bottom next to the dock connector, is for phone calls, voice commands, and memos. The second mic, built into the top near the headphone jack, is for FaceTime calls and for making your phone calls better.
Apple A4 Processor Apple engineers designed the A4 chip to be a remarkably powerful yet remarkably power-efficient mobile processor. With it, iPhone 4 can easily perform complex jobs such as multitasking, editing video, and placing FaceTime calls. All while maximizing battery life.
Apple iPhone OS 4.0 Features Detailed • There will be multi-touch gestures OS-wide. "A few new ways" to run applications in the background – multitasking. • Many graphical and UI changes to make navigating through the OS easier and more efficient. •Organize apps into folders with drag-and-drop simplicity. Get faster access to your favorites and browse and manage up to 2160 apps. See messages from all your accounts in a unified inbox, organize messages by threads, open attachments in third-party apps, and more. More than a great ebook reader, iBooks is also an amazing place to browse and shop for books, day or night.
OS 4.0 Compatibility iOS 4 works with iPhone 4, iPhone 3GS, and iPhone 3G. Not all features are compatible with all devices. For example, multitasking is available only with iPhone 4 and iPhone 3GS.