According to Apple, the update — which applies to the iPhone, iPhone 3G and iPhone 3GS — has the following improvements:
- Resolves sporadic issue that may cause iPhone to not wake from sleep
- Resolves intermittent issue that may interrupt cellular network services until restart
- Fixes bug that could cause occasional crash during video streaming
The update, which weighs in at over 200MB, can be downloaded through iTunes. A corresponding update for the iPod touch was also released.
A month ago, Apple released iPhone OS 3.1, which debuted a number of new features, including a Genius recommendation system for software in the App Store. It also added ringtones from record labels, directly into the iTunes application on the phone.