Sn0wbreeze developer iH8sn0w has published a screenshot of Sn0wbreeze 1.6 to jailbreak iPhone 4.0 on iPod Touch 2G. On the follow up tweets, iH8sn0w said that the leaked image was never meant to be public and he posted it for a member of IRC. He further said that sn0wbreeze 1.6 Beta will not be available for public. However, its very likely that sn0wbreeze 1.6 will be released after Apple officially launches the iPhone OS 4.0 to the public. Here is the leaked image of sn0wbreeze 1.6:
Currently functional version of the software is sn0wbreeze 1.5.2 that allows you to jailbreak iPhone with sn0wbreeze in 5 steps. You should use spirit jailbreak tool if you wanted to jailbreak iPhone 3.1.3 on new bootrom. Spirit is also the only tool available at the moment to jailbreak iPad. You can also use Blackra1n if you wanted to jailbreak iPhone 3.1.2 on Windows and Mac.
Update: An update from iH8sn0w hints Sn0wbreeze 1.6 Jailbreak for iOS 4.
