Download iOS 4 for iPhone and iPod Touch [iOS 4]

Apple announced iPhone OS 4 i.e iOS 4 at WWDC keynote. This iOS 4.0 is also available as an update for for iPhone 3G, iPhone 3GS and iPod touch 2G/3G. Registered Members in the iPhone Developer Standard or Enterprise Program can have the iOS now, while it will e released for public very soon at iTunes. (Update given below where we have given the links as it has now been released)

iOS 4 works with iPhone 4, iPhone 3GS, and iPhone 3G. Not all features are compatible with all devices. For example, multitasking is available only with iPhone 4 and iPhone 3GS. Note that this is not the final version of iOS4. Previously its beta 4 was released last month on 19th, Beta 3 was released earlier in May, while Beta 2 was released on April 21st. The first Beta of iPhone OS 4 was released in first week of April at a preview event. With advent of iOS 4 we saw new features like multitasking and management of folders apart from other features.