Cell phones seem to get sleeker and slimmer by the day, and the Apple iPhone 4 is no exception. Its new design attracts the eye, a design that is appreciably thinner than the iPhone 3GS. Whereas the iPhone 3GS is 12.3mm thick, the iPhone 4 is only 9.3mm deep for a reduction in size of about 24%. Additionally, the iPhone 4 is narrower, measuring 59mm to 62mm. The weight of the iPhone 4 has stayed the same as its predecessor at 136g, but the dimensional alterations lead to a less bulky perception. All of these aesthetic changes in design are welcome, but the improvements found in the Apple iPhone 4 don’t end there. It’s what is found inside the phone that really illustrates the technological improvements. The Apple iPhone 4 possesses a 3.5-inch display just like the 3GS. It is the improved resolution of the 960 x 640 pixel, IPS display that distinguishes the iPhone 4. The 326 pixels per inch create the highest resolution ever found on a phone. Also featured on the iPhone 4 is the “Retina display.” The name refers to the fact that the display is greater in number of pixels than the human retina is able to process. The high number of pixels brings a new level of performance in sharpness, clarity, and detail of the images seen on the phone. The in-plane switching (IPS) techniques found on all iMac and iPad displays also appears on the iPhone 4. The bright, lustrous display and its huge viewing angle make images look excellent from any position. The iPhone 4 uses Apple's A4 processor, which is the same one that was chosen to power the iPad, and it runs the newly developed iOS 4 operating system. As a result of this OS, the phones capabilities are much better. Previous owners of iPhones will be pleased to hear that multitasking is one of the new capabilities. It feels long overdue but, as with Apple's long-awaited cut-and-paste feature, it meets, and even exceeds, expectations. The iPhone 4 sees big advances with the camera as well. The primary camera on the back has been upgraded from 3 megapixels to 5 megapixels, yet manages to retain the same pixel size. The camera now also comes with a backlit sensor, an LED flash, and a 5x zoom. You can shoot in high-definition, at 720p, 30 fps. In addition, the video recording feature gains the tap-to-focus feature that was only previously already for taking photos. Anyone who owns an iPhone or iPhone 3G should consider the iPhone 4 a must own. Including design changes that are pleasing to the eye, the iPhone 4 has made technological advances that improve its performance as well as its imaging capabilities. These changes make it a noticeable upgrade to previous incarnations of the iPhone.

The iPhone has sold more than 50 million units since it was released in 2007. Because of this extraordinary number, the possibilities of cell phones have been expanded both in what they can do and how they are used. Leading the charge of the next generation of cell phones is the iPhone 4. Is it possible for the device to live up to the hype? Most noticeable is the new screen. The “Retina” is a 3.5-inch IPS, LCD display with a robust resolution of 960 by 640 pixels and 326 pixels per inch. What this means to the consumer is clearer images due to the highest resolution available on any cell phone that has been produced to date. The annoying low battery alert will be heard far less often with the extended battery. The battery life equals seven hours of talk time (300 hours of standby), which is 40% more than the iPhone 3G. The iPhone 4 utilizes the same processor as the iPad. The processor equals or betters that of any other phone on the market and the difference is noteworthy. The operating system used is the iOS 4, which includes - for the first time - the ability to multitask. That means no more deciding whether to listen to music or check your email, as you will be able to do both, or anything else for that matter, at the same time. You can also create folders in iTunes and iBooks, which could not be done before. In fact, Apple claim that around 1500 features have been improved, modified and created in the new version of its OS, which is undoubtedly quite an improvement. The iPhone 4 comes with a 5 megapixel camera that, in addition to taking great pictures, can capture videos in HD at 720p. The camera is a great improvement on what was used for previous iPhones. Apple have clearly paid attention to the widespread 'complaints' that they received about it. A particularly cool new feature is ‘Face Time’, which allows you to make video calls - the first time this has been possible on smartphones. Expect to pay around $200.00 for an iPhone 4 with a two year contract. Be sure to check various network operators and providers because the price will vary. You may be able to find it for less than $200.00. It is also better to resist the urge to run down to the store and buy the first phone you see. Check online and comparison shop. It does not take much time and may save you some significant cash.

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