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The new iPhone was showcased by Steve Jobs on 7-June-2010 at the WWDC 2010, San Francisco. The opening day of the conference was attended by more than 5000 participants from different nationalities. iPhone 4 as expected is way better than its predecessor iPhone 3GS. Some of the key features of new iPhone 4 is as follows:
Source: http://www.apple.com/iphone/gallery/
New Design
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24% thinner than iPhone 3GS
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scratch resistant optical glass at front and back with steel reinforcement to increase its strength
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all antennas are integrated with the steel band
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micro SIM tray
Retina Display
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326 pixel per inch
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sharp text, images and videos
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good for reading on the device
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960×640 resolution screen (4x better than previous versions)
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8000:1 contrast (4x better than previous versions)
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IPS technology for superb color and wide viewing angles
Improved Hardware
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Apple’s a4 chip
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bigger battery
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battery life is 40% higher than previous versions
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can now surf internet for 10hrs on Wifi or 6hrs on 3G
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supports 7.2 Mbps down and 5.8 Mbps up
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dual mic noise cancellation
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GPS + Accelerometer + Compass
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eco-friendly components are used
Gyroscope
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3 axis gyroscope
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pitch, roll and yaw
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gravity rotating
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6 axis motion sensing
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improved positioning information
Camera System
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led flash
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front camera
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5 MP camera
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same pixel size 1.75 micons for better image quality
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HD video recording – 720p at 30fps
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video editing
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iMovie application available for around $5
New Operating System – iOS 4
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supports multitasking
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email threading like gmail
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you can create folders for applications
iBooks
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can read PDF
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highlighting of text is possible
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you can bookmark pages
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add a note to any page
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ebooks bought via iBooks can be read on iPad and iPod Touch for free
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syncs bookmarks, notes and highlighted text with iPad and iPod Touch wirelessly
iAds
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advertising platform for developers to earn money on their applications
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biggest advantage for consumers is that clicking on advertisement will still keep you in the application. it will not open a new window unlike when you click on any other advertisement on a webpage
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interactive advertisements
FaceTime Video Calling
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iPhone 4 to iPhone 4 video calling
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you can switch between front and rear camera anytime during the call
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supports Wifi only and requires no additional setup
Steve Jobs’ answer to the growing competition from Android based mobile phones is the revolutionary new iPhone 4. The amazing design enriched by stunning new features makes it a next generation gadget and way ahead of the league. The iPhone 4 will be available from 24-June2010 in the US, UK, Japan, France and Germany. 16 GB iPhone 4 costs $199 and 32 GB iPhone 4 costs $299 with AT&T contract in the US. It is expected to be launched in India by the end of September, 2010.