iH8sn0w has released Sn0wbreeze 1.6.1, an updated version of Sn0wbreeze 1.6 which fixes Resources.zip issues. Just like the last release, Sn0wbreeze 1.6.1 is capable of jailbreaking iOS 4.0 on iPhone 3G, 3GS and iPod Touch 2G. Sn0wbreeze is a PwnageTool port to Windows which creates a custom IPSW file for your iDevice. You can restore that custom IPSW file to your iDevice by using iTunes to jailbreak it.
One important point that many users forget while using Sn0wbreeze is that they must have an already jailbroken iDevice to jailbreak iOS 4.0 on it with Sn0wbreeze 1.6 / 1.6.1. For example if you are on iPhone OS 3.1.2, you can use Blackra1n to jailbreak your iDevice and if you are on iPhone OS 3.1.3, you can use Redsn0w to jailbreak your iDevices.
If you haven't jailbreaked your iDevice yet then don't use Spirit tool to jailbreak it, else you won't be able to use Sn0wbreeze 1.6 or PwnageTool 4.0 to jailbreak iOS 4.0 on it. Moreover if you want to use Sn0wbreeze 1.6.1 to jailbreak your iDevice then you must have an iPhone 3G, 3GS (old bootrom) and iPod Touch (non-MC model)
The jailbreak instructions for Sn0wbreeze 1.6.1 are exactly similar to Sn0wbreeze 1.6. If your iPhone and iPod Touch is in compliance with the above conditions then follow our step-by-step guide here to jailbreak iPhone 3G, 3GS and iPod Touch 2G with Sn0wbreeze 1.6. Once jailbreaked, you can follow our step-by-step guide here to unlock your iPhone with Ultrasn0w 0.93.Contact Us for News Tips, Corrections and Feedback