Apple’s annual Worldwide Developers Conference WWDC2010 took place in San Francisco. On WWDC, Apple released the latest generation of iPhone - Apple iPhone 4. When the CEO Steven Jobs of Apple talked about iPhone 4, the eyes of the world are all attracted by it.

iPhone 4 officially released

All new design Apple iPhone 4

iPhone 4 features a 3.5-inch IPS screen with the resolution of the 960×640 pixels, and the screen also comes with the Retina display technology, showing details more clearly. There is a built-in front camera on iPhone 4 for the first time, supporting video call feature. At the same time, Apple also shows us “Facetime” function, as long as the two iPhone 4 phone has WIFI function, users can make calls anywhere in the world, while the 3G network video calls depends on the operator.

Apple iPhone 4  specifications

iPhone 4 camera Specifications

FACETIME video call

The back camera of Apple iPhone 4 has been fully upgraded, 5 million pixel camera supports tap to focus and LED flash. iPhone 4 also supports the 720P HD at 30 frames per second  video shooting.

Of course, Apple is always paying attention to detail of products. The iPhone 4 for the first time added the 3-axis gyro function; this feature allows the phone to provide navigation for users by accelerometer when entering the tunnel and loss of GPS signal. The combination of 3-axis gyro, the iPhone proximity sensor, ambient light sensor and the compass will be go to a new level.

3-axis gyro on Apple iPhone 4

iPhone 4 also made corresponding adjustments to the hardware layout, dual-microphone technology makes the voice clearer. And in order to enhance the wireless network signal, Apple iPhone 4 is also added the hidden antenna in the body side.

Apple iPhone 4 iOS 4

In fact, few bright spots on software, iPhone OS4 released last month officially changed its name to iOS4 and is preset into the iPhone 4. Apple iPhone 4 mainly adds multi-tasking capabilities based on the API jack, and procedures can be integrated into a folder icon.

Apple iPhone 4 iBOOK

Apple iPhone 4 iAdS

iBOOK functionality is also used on the iPhone, at the same time, the iBook not only supports epub eBook format but also PDF documents. In order to counter Google Admob, Apple also introduced the HTML5 iAD advertising platform, in the future; APP Store will introduce more excellent free application based on iAD.

Most people are concerned about the prices of the  Apple iPhone 4 16GB and Apple iPhone 4 32GB will be at the price of 199 U.S. dollars and 299 U.S. dollars of a two-year contract. Apple iPhone 4 will available in two colors: black and white. Apple iPhone 4 will come into market in the United States, France, Germany, Britain and Japan simultaneously in June 24, booking iPhone 4 will be available on June 15. September 2010, iPhone 4 will be listed in 88 countries worldwide. Contract price is the same as the previous iPhone 3GS.

Black iPhone 4

White iPhone 4

iPhone 3GS 8GB also be listed at the same time

It is said that Apple released the iPhone 4, and at the same time, it also officially launched the iPhone 3GS 8GB, and also announced the iPhone 3G officially discontinued. This can be seen as paving the way for the iPhone 4 sales.

More details of iPhone 4