iPhone 3G and iPhone 3GS owners.

Haven't upgraded to iOS 4 yet? The free iOS 4.0.2 Software Update brings over 100 new features to your iPhone. Here are a few.


Now you can run your favorite third-party apps — and switch between them instantly — without slowing down the performance of the foreground app or draining the battery unnecessarily.1


Organize apps into folders with drag-and-drop simplicity. Get faster access to your favorites and browse and manage up to 2160 apps.

Even better

See messages from all your accounts in a unified inbox, organize messages by threads, open attachments in third-party apps, and more.


More than a great ebook reader, iBooks is also an amazing place to browse and shop for books, day or night.2

Create playlists

Create custom playlists right on your iPhone.

5x digital zoom

Get closer to your subjects by zooming in up to 5x.

Tap to focus video

While shooting video, tap the display to choose where to focus.

Faces and Places in Photos

View photos based on who’s in them and where they were taken.3

Home screen

Change the background wallpaper on your Home screen.

Gift apps

Send apps as gifts to your friends or family.

Spell checking

A built-in dictionary automatically suggests words and corrects spelling. It works in Mail, Notes, and other apps.

Wireless keyboard support

Pair a keyboard based on Bluetooth wireless technology with your iPhone.


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.

iPhone 3G

iPhone 3GS

iPhone 4

  1. Multitasking is available with apps that have been developed to work with iOS 4.
  2. Books are available on the iBookstore. Title availability is subject to change.
  3. Faces works only with iPhoto on the Mac.