iPhone OS 3.1.2 now available

Apple has released iPhone OS 3.1.2. The new firmware 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

You can download iPhone OS 3.1.2 update by connecting your iPhone to iTunes and click ‘check for update’.