About iOS 5.1 Software Update

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 

For more information on: How to update your iPhone, iPad, or iPod touch, please visit this website:  http://support.apple.com/kb/HT4623

  助芯苹果手机OS5.1  2012年10月29日 www.xhnb2008.com/www.applekey.com.cn