Dev Team has made their amazing jailbreaking tool available, which is PwnageTool 3.1.5, this tool can be used to jailbreak the new released iPhone OS 3.1.3 software or firmware, with this tool you can jailbreak iPhone without the need to update your baseband and unfortunately it’s only for Mac users not for Windows, for Windows you can use Sn0wbreeze V1.5 to do the job
With PwnageTool 3.1.5 mac users can jailbreak their iPhone 3G and 3Gs, so here is the downloaded link
And here is the tutorial to Jailbreak iPhone 3.1.3 With PwnageTool
Happy try folks!
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