iphone 4
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iPhone 4
The fourth model of Apple's smartphone, which debuted in June 2010. The primary changes are multitasking, much higher resolution (see Retina Display), larger battery, home screen folders, voice...
Dictionary
Definition: iPhone 4
The fourth model of Apple's smartphone, which debuted in June 2010. The primary changes are multitasking, much higher resolution (see Retina Display), larger battery, home screen folders, voice control, five-megapixel camera, thinner case and video calling. A front-facing Webcam and Apple's FaceTime app enable iPhone 4 users, 4th-generation iPod touch users and Mac users to video call each other over Wi-Fi. In addition, a single tap switches the phone from front to back camera to turn the unit into a remote video camera for the person at the other end of the call. See iPhone 4S, iPhone and Antennagate.
The iPhone 4
With the flat metal band surrounding the unit, the iPhone 4 has a distinct look from its predecessors. (Image courtesy of Apple Inc.)
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