The iPhone OS 3.1.3 has been released. As usual, it takes care of minor bugs and fixes. See below for the updates:

  • Improved accuracy of reported battery level on the iPhone 3GS
  • Resolves issue where third-party apps would not launch in some cases
  • Fixes a bug which may cause an app to crash when using the Japanese Kana keyboard.

The update is now avalaible through iTunes, so fire up iTunes and download away!