DevTeam released redsn0w 0.9.4. The updated utility is able to jailbreak the newest firmware 3.1.3.
Here is the list of supported devices:
- iPhone 2G
- iPhone 3G (only unlocked ones)
- iPod Touch 1G
- iPod Touch 2G (old versions, serial number does NOT start with “MC”)
You can download redsn0w 0.9.4 here.