Apple has released an update for iPhone and iPod Touch bringing us to 3.1.2.  The update addresses some of the common issues of 3.1, but no update yet on battery life.  The update contains the following:

This update contains bug fixes and improvements, including the following:

- 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 is available now via software update in iTunes

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