iOS 5.1

This update contains improvements and bug fixes, including:

• Japanese language support for Siri (availability may be limited during initial rollout)

• Photos can now be deleted from Photo Stream

• Camera shortcut now always visible on Lock Screen for iPhone 4S, iPhone 4, iPhone 3GS and iPod touch (4th generation)

• Camera face detection now highlights all detected faces

• Redesigned Camera app for iPad

• Genius Mixes and Genius playlists for iTunes Match subscribers

• Audio for TV shows and movies on iPad optimized to sound louder and clearer

• Podcast controls for playback speed and a 30 second rewind for iPad

• Updated AT&T network indicator

• Addresses bugs affecting battery life

• Fixes an issue that occasionally caused audio to drop for outgoing calls

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222