iOS 4.3 Software Update

This update contains new features and improvements, including the following:

• Personal Hotspot*
  - Share iPhone 4 cellular data connection with up to 5 
     devices (combination of up to 3 Wi-Fi, 3 Bluetooth, 
     and 1 USB)
• iTunes Home Sharing
  - Play music, movies and TV shows from a shared iTunes 
     library on a Mac or PC (requires iTunes 10.2)
• New AirPlay features**
  - Play videos from the Photos app including the Camera 
     Roll album, iTunes previews, enabled third-party apps 
     and websites on Apple TV
  - Play slideshows from Photos on Apple TV using 
     transitions available on Apple TV
• Faster Safari performance with Apple Nitro JavaScript
   engine
• HD video out using the Apple Digital AV Adapter***
  - View 720p HD videos from Videos app, iPod app, 
     Photos, YouTube, Safari, Keynote, and enabled 
     third-party apps on an HDMI display
• Ping features
  - Push notifications for comments and follow requests
  - Post and Like songs directly from the Now Playing 
     screen
  - Parental controls
• New Settings
  - Messages setting for number of times to repeat an 
     alert
  - iPad side switch setting to lock screen rotation or mute
     audio notifications and sound effects
• Single tap conference call dialing with a pause to send
   a passcode
• Bug fixes

Products compatible with this software update:
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad
• iPod touch (4th generation)
• iPod touch (3rd generation)

*Requires iPhone 4 with tethering data plan
**Requires Apple TV (2nd generation) running software 
   version 4.2 or later
***iPhone 4, iPad, iPod touch (4th generation)

For information on the security content of this update, please visit:
 	<http://support.apple.com/kb/HT1222>