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FIrst smartphone the sold first million in 74 days.
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Apple said it sold 1 million iPhone 3G devices in the three days following its launch.
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Front-facing camera for FaceTime video calling; 5MP rear-facing camera; 3.5-inch "Retina" display (960 x 640 pixels), and Apple A4 processor.
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Apple's dual-core A5 processor; 8MP camera with 1080p video recording, and world phone with GSM, HSPA and CDMA radios.
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4-inch "Retina" display; Apple A6 processor; 4G LTE support; 8MP camera, and new, proprietary Apple "Lightning" port.
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Apple A7 chip with 64-bit processor core; TouchID fingerprint sensor, and support for wide array of 4G LTE bands.
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Colorful casing with internal frame made of reinforced steel; Apple A6 processor, and support for wide array of 4G LTE bands.