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Apple iPhone 4

Apple Iphone 4

Apple's launch of the iPhone 4 has seen the greatest excitement for a new phone ever.More than just a phone the smartphone gives many more to the users which made them their 'best friend'.Lets find what made it outstanding with others.
Retina Display : It has 326 pixels per inch, and a 960x640 display, making it  high resolution for a phone with a 3.5-inch display.Find more here.

A4 chip : The iPhone uses A4 chip developed by Apple Engineers.With it, iPhone 4 can easily perform complex jobs such as multitasking, editing video, and placing FaceTime calls. It maximize power utilization.

Camera : The iPhone 4 has 5-megapixel photos. It has advanced backside illumination sensor, it captures beautiful images even in low-light settings. it has as built in LED flash with double funcionality. When we take taking pictures, it works as a flash. When in shooting video it can be used to light up the scene .It has also got front camera for facing calls(Video calls).

Outer glass : The iPhone 4 has two glossy panels of aluminosilicate glass This type of glass used in the windshields of helicopters and high-speed trains.They are chemically strengthened to be 20 times stiffer and 30 times harder than plastic.The glass is ultra durable and scratch resistant.

Gyro and Accelerometer :  iPhone 4 includes a built-in three-axis gyroscope.It is paired with the accelerometer, making it capable of advanced motion sensing such as user acceleration, full 3D attitude, and rotation rate.

Multi touch :The phone provides multi touch capability so that everything can be controlled just using figures. A panel laminated on the glass senses your touch using electrical fields. It can recognizes multiple touches and  advanced gestures such as pinch to zoom, two-finger tap, and more. The panel then transmits the information to the Retina display below it.



Iphone 4


iPhone 4 Technical Specifications
Size and weight
  • Height: 4.5 inches (115.2 mm)
  • Width: 2.31 inches (58.6 mm)
  • Depth: 0.37 inch (9.3 mm)
  • Weight: 4.8 ounces (137 grams)
Cellular and wireless
  • GSM model: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
  • GSM/EDGE (850, 900, 1800, 1900 MHz)
  • CDMA model: CDMA EV-DO Rev. A (800, 1900 MHz)
  • 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
  • Bluetooth 2.1 + EDR wireless technology
Location
  • Assisted GPS
  • Digital compass
  • Wi-Fi
  • Cellular
Power and battery
  • Built-in rechargeable lithium-ion battery
  • Charging via USB to computer system or power adapter
  • Talk time:
      Up to 7 hours on 3G
      Up to 14 hours on 2G (GSM model only)
  • Standby time: Up to 300 hours
  • Internet use:
      Up to 6 hours on 3G
      Up to 10 hours on Wi-Fi
  • Video playback: Up to 10 hours
  • Audio playback: Up to 40 hours
Mac system requirements
  • Mac computer with USB 2.0 port
  • Mac OS X v10.5.8 or later
  • iTunes 10.1 or later
  • iTunes Store account
  • Internet access
Windows system requirements
  • PC with USB 2.0 port
  • Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
  • iTunes 10.1 or later  
  • iTunes Store account
  • Internet access
Environmental requirements
  • Operating temperature: 32° to 95° F
    (0° to 35° C)
  • Nonoperating temperature: -4° to 113° F
    (-20° to 45° C)
  • Relative humidity: 5% to 95% noncondensing
  • Maximum operating altitude: 10,000 feet (3000 m)
Capacity
16GB or 32GB flash drive


Color
White or black

Display
  • Retina display
  • 3.5-inch (diagonal) widescreen Multi-Touch display
  • 960-by-640-pixel resolution at 326 ppi
  • 800:1 contrast ratio (typical)
  • 500 cd/m2 max brightness (typical)
  • Fingerprint-resistant oleophobic coating on front and back
  • Support for display of multiple languages and characters simultaneously
Audio playback
  • Frequency response: 20Hz to 20,000Hz
  • Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
  • User-configurable maximum volume limit
TV and video
  • Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
  • Support for 1024 by 768 pixels with Apple VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)
Languages
  • Language support for English (U.S.), English (UK), French (France), German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese, Russian, Polish, Turkish, Ukrainian, Hungarian, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Catalan, and Vietnamese
  • Keyboard support for English (U.S.), English (UK), French (France), French (Canadian), French (Switzerland), German, Traditional Chinese (Handwriting, Pinyin, Zhuyin, Cangjie, Wubihua), Simplified Chinese (Handwriting, Pinyin, Wubihua), Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji, Ten Key), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Estonian, Hungarian, Icelandic, Lithuanian, Latvian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Bulgarian, Serbian (Cyrillic/Latin), Catalan, Vietnamese, Tibetan, Macedonian, and Cherokee
  • Dictionary support (enables predictive text and autocorrect) for English (U.S.), English (UK), French, German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Hungarian, Lithuanian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malaysian, Romanian, Slovak, Croatian, Catalan, Vietnamese, and Cherokee
Camera, photos, and video
  • Video recording, HD (720p) up to 30 frames per second with audio
  • 5-megapixel still camera
  • VGA-quality photos and video at up to 30 frames per second with the front camera
  • Tap to focus video or still images
  • LED flash
  • Photo and video geotagging
Sensors
  • Three-axis gyro
  • Accelerometer
  • Proximity sensor
  • Ambient light sensor
Headphones
  • Apple Earphones with Remote and Mic
  • Frequency response: 20Hz to 20,000Hz
  • Impedance: 32 ohms 
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