iPhone OS 3.1.3 Software Update

This update for iPhone and iPod touch contains bug fixes and improvements, including the following:

• Improves accuracy of reported battery level on

      iPhone 3GS

• Resolves issue where third-party apps would not

      launch in some instances

• Fixes bug that may cause an app to crash when

      using the Japanese Kana keyboard

Products compatible with this software update:

• iPhone (all models)

• iPod touch (all models)

For feature descriptions and complete instructions, see the user guides for iPhone and iPod touch at:

http://support.apple.com/manuals/iphone

http://support.apple.com/manuals/ipodtouch

For more information about iPhone and iPod touch, go to:

http://www.apple.com/iphone

http://www.apple.com/ipodtouch

To troubleshoot your iPhone or iPod touch, or to view additional support information go to:

http://www.apple.com/support/iphone

http://www.apple.com/support/ipodtouch

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

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