iphone 4

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iPhone 4 is the fourth smartphone produced by Apple Inc. It was followed by iPhone 4S, a further development of the model that adds new features upon what has proved to be a commercial success.

Like all smartphones, iPhone 4 combines usual mobile phone characteristics with functions typical for a PDA. It allows the user to make calls, send messages, connect and browse the internet when a connection is available, take pictures and videos, watch movies or pictures, chat, install and use additional software for various purposes. Through a built in feature, called by Apple "Face Time", this model also makes use of a frontal video camera to facilitate video calls.

The design of iPhone 4 breaks away from its well known predecessors, iPhone 3G and Iphone 3GS. The front and back panels are flatter and are made from a chemically treated glass that is theoretically more resistant to abrasion than previously used plastic surfaces. The two panels are separated by a band of stainless steel that also acts as an exterior antenna. This allowed the designers to reduce the size of the device to what was called by Steve Jobs "the thinnest smartphone on the planet". The overall dimensions are 110mm high, 59mm wide and 9.4mm thick.

iPhone 4 uses the same Apple operating system that is used for the iPad, the iPod Touch and previous iPhone versions, namely iOS. It features a multi-touch display which allows the user to control and operate the device by touching the appropriate icons on the screen with their fingers. The display is a 3.5 inch LED backlit liquid crystal one that boasts a 960×640 resolution. The manufacturing company has marketed it as "Retina Display", since at the distance of 305mm from the eyes, it offers 300 pixels per inch, which is the maximum level of detail beyond which the human eye cannot tell the difference in quality.

The phone features a back facing 5 megapixels camera for photos and a front facing VGA video camera for video calls and recording HD movies. It also contains a compass, gyroscope and accelerometer which allows for the detection and calculation of movement on x, y and z axes.

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    AT&T will finally be lifting its almost 3-year ban on FaceTime (and other pre-installed video chat services like Google Hangouts on ANdroid) for its customers on grandfathered unlimited data plans. Over time, AT&T has made stock video chat apps available on its cellular network only to customers on tiered ...
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  • Apple offers iPhone discount to India’s students


    — Authority Authority:
    In yet another attempt to capture the nascent smartphone market in India, Apple is now promoting discounts for students. Students can receive $144 on an iPhone when they trade in their old smartphones. Apple and Samsung have engaged in a marketing struggle, both rolling out installment plans to encourage Indian ...
    3 days ago

  • How to Change IMEI on iPhone 4


    — Authority Authority:
    How to Change IMEI on iPhone 4 : IMEI is abbreviated as International Mobile Equipment Identity and is a 15 or 17 digit code used to identify the mobile phone on a network. It is very important for the security of the mobile phone, if the phone has been stolen, then they can call their carrier or [...] The post How ...
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  • iPhone 4S case thats easily removable?


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  • Samsung Galaxy S3 III GT-i9300, White Front Glass LCD Display and Touch Screen not included, Mobile Phone Repair Part Replacement best price


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  • My Unu Announces a New Line of iPhone Battery Cases for the Public


    — Authority Authority:
    20th May 2013 – My Unu recently announced a new line of iPhone Battery Case s that are now available for the public. If you are trying to get an iPhone Battery case, so that you can protect your device and ensure its longevity, you can find iPhone battery cases at their website. They provide very high quality ...
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  • My Unu Announces a New Line of iPhone Battery Cases for the Public


    — Authority Authority:
    20th May 2013 – My Unu recently announced a new line of iPhone Battery Case s that are now available for the public. If you are trying to get an iPhone Battery case, so that you can protect your device and ensure its longevity, you can find iPhone battery cases at their website. They provide very high quality ...
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  • Unlock Vodafone UK iPhone 5 4S 4 Permanently


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  • MYBAT IPHONE4HPCBKDRM851NP Premium Lightweight Dream Back Case for iPhone 4 – 1 Pack – Retail Packaging – Pig-Chinese Zodiac


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    Protect and personalize your iPhone 4 with this premium Unique Dream Back case in Pig-Chinese Zodiac . This durable designer case from MyBat provides unmatched protection for your iPhone 4 while maintaining the phones compact look. Accurate cutouts provide full access to all the functions of your phone including all ...
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  • Should I Wait to Buy My Next iPhone? – Mashable


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  • HTC First with Facebook Home at 99 cents and two year contract from A&T


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  • Carphone Warehouse Make Lowest iPhone Tariff Available


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    It may not be the newest model but the Carphone Warehouse have made it possible to get the iPhone 4  for £17 a month, if you choose to go with 02 or Three. The £17 a month price plan works out at a mere 50p per day, this price drop will allow new customers who may not have been able to afford an apple product ...
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  • Fun Ways To Use Siri On The IPhone 4s


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  • Latest Iphone 4 auctions


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    Most favourite iphone 4 eBay auctions: Latest Iphone 4 auctions is a post from: New Asset Protection Blog - Asset Management - Asset Allocation Latest Iphone 4 auctions is a post from: New Asset Protection Blog - Asset Management - Asset Allocation
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  • iChair Verizon iPhone 4 Case Unboxing


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  • Apples Police Waiting List for Seized iPhone Decryption


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  • Understanding How To Properly Use Your iPhone


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  • iPhone 4 buy back - sell your old smartphone and get huge discount on iPhone 4


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