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What Are The Key Features Of The iPhone 4?

The iPhone 4 offers a 5 MP front camera with a backside illuminator, which can also capture 720p HD video, as well as an iMovie app that allows users to edit and create videos on the go. In addition to a Micro-SIM slot and an A4 processor, the iPhone 4 boasts "retina display," which delivers 326 pixels per screen inch and an 800:1 contrast ratio. One of the most notable features of the iPhone is its design. It is roughly 25 percent slimmer than the iPhone 3GS, but packs more features and functions. It has an extended battery life, as well. Users have up to seven hours of talk time on the 3G network, six hours of Web browsing, and 300 hours of life in standby mode with just a single charge. 

What Are The Different Types Of iPhone 4 Cases?

Popular iPhone 4 cases are bumpers, skins, and holsters. A bumper case simply wraps around the sides of the phone, and is available in a wide range of colors and designs. While it protects the edges of the device, it does not safeguard the glass back or front panels. iPhone 4 skins are often made of rubber or gel that encases the entire device. A skin keeps it safe from scratches, but the grip can make it more difficult to squeeze into purses and pockets. iPhone 4 holster cases have an opening at the top and a belt clip on the back. When necessary, users can insert and remove the device from the protective case quickly.