Finally Dev Team released the new version 0f PwnageTool 3.1 (Mac) For Jailbreaking & Unlock iphone 3.1, this application supports the iPhone 1st Generation (2G), the iPhone 3G and the iPod touch 1G. NOTE: THIS DOES NOT SUPPORT THE 3GS OR 2G/3G IPOD TOUCH. redsn0w for Mac OS X and Windows will follow sometime in the near future.   read more »