iPhone OS 3.1.3. Now Available for iPhone and iPod touch.
Apple releases version 3.1.3 of iPhone OS just under a week after its special media event. The update includes a range of bug fixes.

Just under a week after Apple's media event, iPhone OS 3.1.3 is now available for both iPhone and iPod touch. The update comes after Apple released iPhone OS 3.2, which is iPad exclusive, to developers in its ADC network. As expected by many, this new update includes no new features however it does come packed with a few security fixes.
Including:
- Improves accuracy of reported battery level on iPhone 3GS - Resolves issue where third-party apps would not launch in some instances - Fixes a bug that may cause an app to crash when using the Japanese Kana keyboard
The update is compatible with all iPhone and iPod touch models, and is available for download from iTunes right now.