GeoHot released his blackra1n which is not reliable as many people were had issues with that, though the steps that GeoHot’s blackra1n used were quite easy and simple, and now dev team released their reliable jailbreak tool that supports latest firmware 3.1.2 which supports all device, but again this is limited for those who have a MAC. The only thing that would make you want the blackra1n now is the iPod touch 3G, for which the dev team is yet to release any jailbreak solution yet.
Here, are some details on their latest version of PwnageTool 3.1.4 for Mac OS X which supports the 3.1.2 release of the iPhone software for iPhone 2G/3G/3GS and iPod Touch 1G/2G:
Here, is an official link of Pwnage Tool torrent by devteam click here to download