Apple releases iPhone OS 3.1.2

Apple today released iPhone OS 3.1.2 to all iPhone users. according to Apple's release notes, the update includes the following bug fixes and 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

iPhone 3.1.2 is mostly bug fixes for problems introduced in iPhone 3.1 including the mysterious random shutdowns that users have dubbed "coma mode." Unfortunately, it doesn't appear to include a fix for the GPS bug.

It's a 241.7MB download the iPhone 3G and is available by connecting your iPhone to iTunes and selecting "check for updates" from the Info tab.

After installing 3.1.2, you'll also be prompted to install v.5.6 of the AT&T carrier settings:

Have you installed it? What have you found?