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Review Apple iPhone 4

Posted by supreme On June - 23 - 2010

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The iPhone 4 features a high-resolution display, a faster processor, and video calling, but it also sports unexpected additions like a new antenna and a gyroscope. It available in white and black versions. The profile is thinner with a new front-facing. The iPhone 4 is equipped with a new device named iOS 4 operating system, which brings such much-needed features as multitasking, a unified e-mail in-box, and app folders for the home screen.

The new operating system are long overdue. The new iPhone’s front and back sides are glass, both surfaces are flat, and a stainless steel border circles the entire phone. Other new design elements are the aforementioned front-facing camera, split volume controls, a noise-cancellation microphone, and a new LED flash with the main camera lens. The iPhone 4 also switches to a Micro-SIM format, just like the iPad.

The iPhone 4 has a standard noise-cancellation feature, enough camera flash quality, and the front-facing camera can be used for self-portraits in addition to the new FaceTime feature. The Apple is pushing the Micro-SIM format. I don’t know exactly the reasons why Apple change the Micro-SIM format, may it will be used to prevent iPhone jailbreakers. Unfortunately I don’t know whether we will be able to use the same Micro-SIM between on an iPhone 4 and an iPad 3G.

The stainless steel border doubles as a new antenna that circles the entire phone. I don’t know yet, whether it will effected the call quality or Wi-Fi reception, or even an indirect admission that data and voice reception has been troublesome. The iPhone 4 features a 940×640-pixel ( 326 pixels per square inch) “Retina Display,” which is four times the resolution of previous iPhone models. It uses the same IPS display that’s found on the iPad with an 800:1 contrast ratio.

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The display is totally two thumbs clear. Photos looked especially lovely. The iPhone 4 will feature the same A4 chip with the iPad. The result is a faster processor and improved battery life. The iPhone’s camera has always been decent, but it’s lacked features found on many basic phones. That’s why we applaud the 5-megapixel resolution, the new LED flash, and the 5x digital zoom. The iPhone 4 also has a new back-side illuminated sensor, which requires a more-detailed explanation. It records 720p high-definition video at a constant 30 frames per second. The iPhone 4 has a multitasking, the unified in-box and the home screen folders. The iPhone 4 is offering a three-axis gyroscope. FaceTime will work only on Wi-Fi.