The iPhone 4’s operating system represents a significant improvement on earlier versions of Apple’s smartphone operating system. It’s also got a new name – iOS – signifying the importance of the iPad alongside the iPhone.
And what’s more, iOS 4 is available to users of the iPhone 3GS, third-gen iPod touch and 3G too (albeit with limited features with the latter). iOS 4 will be available for the iPad later in the year.
We’ve delved right under the hood of the new iPhone to bring you 20 tips for all those iPhone 4s out there.