Apple released its much-awaitedMonday for the iPhone 3G and 3GS, as well as the second and third generations of the iPod Touch. However, not all iOS 4 features have rolled out for all devices, and first-generation versions of both the iPhone and the iPod Touch won't get the update at all. Here is a chart breaking down what you do or don't get with iOS 4, depending on which device you have.
|Home screen folders||Yes||Yes||Yes||Yes|
|Photo gallery with Faces/Places support||Yes||Yes||Yes||Yes|
|Searchable text messages||Yes||Yes||N/A||N/A|
|Support for iBooks||Yes||Yes||Yes||Yes|