After BlackRa1n jailbreak for OS 3.1.2, Dev-Team has released their updated version of PwnageTool to jailbreak iPhone OS 3.1.2. Unlike BlackRa1n, PwnageTool preserves your Baseband to let you unlock...
Finally the wait is over for all Windows users who want to jailbreak iPhone or iPod Touch running iPhone OS 3.1/3.1.2. Please read the complete post before trying BlackRa1n.
Apple has just released iPhone OS 3.1.2 which comes with a lot of bug fixes including issues like iPhone would not wake from sleep and video playback and cellular service.