Snowbreeze 2.1 has been released by iH8sn0w and is available to download. Sn0wbreeze is a tool for Windows operating system just like the PwnageTool for Mac OS X. Snowbreeze 2.1 could be used to jailbreak iOS 4.1 on iPhone 3G, 3GS and 4, iPod Touch 3G/4G or iOS 3.2.2 on iPad.
Snowbreeze 2.1 doesn’t upgrade the baseband of your device so that you could unlock your iPhone using the previous version of Ultrasn0w. According to iH8sn0w, the following are the supported devices.
iPod Touch 2G/3G/4
Apple TV 2G
Download Sn0wbreeze 2.1 from here.