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  • what is the difference between
    iPhone SDK 3.x and iPhone 4.x ?

  • what is the new features in iPhone ?

  • How to feel a iPhone programmer the
    iPhone SDK 4.x feature. ?

Thanks & regards.

jaleel
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1 Answers1

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See the "Whats new in iOS 4" documentation from Apple:

http://developer.apple.com/library/ios/#releasenotes/General/WhatsNewIniPhoneOS/Articles/iPhoneOS4.html#//apple_ref/doc/uid/TP40009559-SW1

Yann Ramin
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