iPhone 4 has finally unveiled by Apple during the WWDC 2010 as slimmest smartphone, carrying 9.3mm thickness. The new iPhone 4 will come with either 16GB or 32GB storage, 5MP camera capable of 720p / 30 fps HD video recording and LED flash.

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iPhone 4 supports quad-band 850, 900, 1900, 2100MHz HSPA/UMTS as well as GSM quad-band networks. Besides, you will also get A-GPS/GPS, Wi-Fi 802.11n and bluetooth features.

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And Apple has further boosted its iPhone 4 with their own version of operating system dubbed as iOS (known as iPhone OS4) for multitasking and adds folders for Apps, iBooks app and iMovie app.

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Other amazing feature is Apple’s own A4 chip enabled 3.5-inch multitouch Retina display that will be able to increase the screen’s pixel density up to 4 times the amount of pixels in the same display area.

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The iPhone 4 also adds a front-facing camera for FaceTime iPhone 4 to iPhone 4 video call over WiFi. Other than the accelerometer, proximity sensor, ambient light sensor we found on old iPhones, with fingerprint-resistant oleophobic coating on the front and back. Maximum resolution reaching 960×640 at 326ppi and contrast ratio of 800:1.

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Other mentioned features such as digital compass, three-axis gyro sensor and dual-mic noise cancellation. iPhone 4 will be available in two color choices of white and black.

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iphone-4-FaceTimeMore about iPhone 4’s technical specification, click here.

No info on pricing, it will be available for pre-order by June 15 and is going to be released by June 24, you could pre-order and get notification from Apple here.

[ Source: iTechNews ; Aving ; Geeky-Gadgets ; GDGT ; Apple ]