Steve Jobs, CEO of Apple Inc. introduced the new iPhone 4 at the 2010 Apple WWDC Conference on June 7, 2010. As a smartphone lover, we are curious … what’s so special about the fourth version of the beloved iPhone?

First of all, the new iPhone 4 has a new design. The design of this model is quite different from its previous models. You now have all the new stainless steel around you for added strength. Additionally, these stainless steel ones also function as a set of built-in antennas for GSM, UMTS, Bluetooth, Wi-Fi, and GPS. This is what is known as brilliant engineering. The new iPhone 4 is the thinnest smartphone ever, at just 9.3mm thick which is 24% thinner than today’s thinnest smartphones.

Second, a new high resolution display that doubles pixels in each direction (960 x 640) for a total 4X pixel magnification. Apple calls it “Retina Display”. Because it has four times as many pixels, it shows really sharp text. This screen is rated as 326ppi, which according to Apple is beyond the limit of distinction of the human eye, which is 300ppi. It also has an 800: 1 contrast ratio which is also 4 times better than the current one. And the screen is similar to the IPS screen of the iPad but with the same size of 3.5 inches.

Third, the iPhone 4 runs on the A4 chip, which is Apple’s custom chip. What they have done differently is that they reduce the size of the chip so that they can make the battery size bigger. So now it has improved the battery life with 7 hours of 3G talk, 6 hours of 3G browsing, 10 hours of WiFi browsing, 10 hours of video, 40 hours of music … and 300 hours of standby time.

Number four, Apple’s iPhone 4 has another new piece of hardware known as a Gyroscope with a 3-axis gyroscope.

Apple has tied the gyroscope and accelerometer, six-axis compass, which is perfect for gaming. The camera has been increased to 5 megapixels, with 5X digital zoom and a “backlit sensor”, which can now also record HD video at 720p / 30fps. Plus many more features like touch to focus video, built-in video editing, one-click sharing, and LED flash.

On the software side, Apple has made a big improvement with the introduction of multitasking. Which is what all apple lovers missed in the past. But now it’s there with the best of all multitasking features available for any smartphone on the market. Other software enhancements include App Folder, New Unified Mail Inbox and Threads, the new iMovie, and the introduction of iBooks for iPhone.

Another important feature of this new iPhone is the introduction of advanced video calling features known as “Face Time”. It is a video call from one iPhone 4 to another in any place where there is Wi-Fi without the need for configuration, it can be used in both portrait and landscape mode with front and rear cameras.

The phone will be available in black or white, priced at $ 199 for the 16GB model and $ 299 for the 32GB model. They will go on sale June 24 and AT&T will offer an additional grace upgrade time, up to six months in advance. The 3GS will be reduced to $ 99 and the 3G will disappear completely. Pre-orders start in a week, with 5 countries at launch (US, France, Germany, UK, Japan), and 18 more in July. Apple will also sell a first-person case for $ 29 and a base for the same price.

So with this, I think there are a lot of special things about Apple’s new iPhone 4.

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