Apple iPhone 4: A visual tour
Get ready for Apple's latest iPhone. Our close-up walk-through looks at the iPhone 4's design, as well as highlights of the new iOS 4 software.
iphone 4 - News, Features, and Slideshows
iphone 4 in pictures
News about iphone 4
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Mobile phone sales drop for the first time since 2009
Worldwide mobile phone sales totaled 1.75 billion units in 2012, a 1.7 per cent decline from 2011 earlier despite record smartphone sales in the fourth quarter last year, according to Gartner.
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iPhone 4S users satisfied with Phone, but not its battery life
Users of Apple's iPhone 4S are even more satisfied than iPhone 4 users last year, with 96 percent somewhat or very satisfied, according to a survey from ChangeWave Research. However, 38 percent of those surveyed said the phone's battery life is too short.
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5 hidden features in iOS 5
Who knew Apple's iOS 5 mobile operating system held so many secrets? Developers and sleuthing hackers have been hard at work since Apple released the OS in October unearthing a number of hidden features and tweaking the OS to do things it was never intended to do.
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Cool features your iPhone 4 gets after downloading Apple iOS 5
Apple's major overhaul of its iOS operating system arrives today, but amidst the excitement comes a major concern: Will iOS 5 function properly on older model iPhones? Or will there be an added circle of bricked-iPhone hell comparable to what happened in 2010 when the iPhone 3G took on iOS 4?
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Apple iPhone 5 release looms, iPhone trade-ins skyrocket
Although Apple hasn't announced a release date for the iPhone 5, existing iPhone owners are already selling their handsets in anticipation.
Features about iphone 4
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Apple iOS 4.3: A guide to getting started
If you haven't synced your iPhone, iPod Touch or iPad in the last 24 hours, you've got a surprise waiting for you: Apple has released iOS 4.3, promising new ways to access iTunes content, a Wi-Fi personal hotspot option and improved browser speeds. If you want to find out how to activate all the new features on your device, here's your getting-started guide to get the most out of iOS 4.3.
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BlackBerry Dakota signals RIM's desperation
Images and details of the BlackBerry Dakota--the impending flagship smartphone from Research In Motion (RIM)--have emerged. The Dakota is packed with features as RIM struggles desperately to regain lost ground and compete with the Apple iPhone and the rising Android invasion.
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First Look: Facebook Single Sign-on
Facebook is getting serious about on-the-go social networking with a suite of new features announced during the Facebook Mobile event on Wednesday.
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Mobile apps security: Apple iOS v. Google Android
The Apple iOS, which runs on its iPhone, iPod Touch, and iPad, has a flaw in how it reads PDF documents that makes it easier to hack. This flaw is exploited by JailbreakMe, a one-click site that makes it easy for anyone without any real tech skills to hack into their own iPhone.
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Top 5 Apple iPhone 4 press conference predictions
Is there really a problem with the iPhone 4 antenna? Apple is about to answer this question Friday, at a <a href="http://www.pcworld.com/article/201158/apple_calls_iphone_4_press_conference_for_this_friday.html">hastily announced press conference</a> at its Cupertino campus. Meanwhile, millions of iPhone 4 customers (and tech pundits) are playing the guessing game running up to Friday's event. What does Apple have to say about the antenna issue and what will it do - if anything?