Just like version 2.9.4 the new 2.9.5 version supports untethered jailbreak of A4 devices on iOS 5.1.1. Sn0wbreeze can be used to create a custom firmware with jailbreak and preserve iPhone modem (baseband) version for unlock.
Sn0wbreeze 2.9.5 supports iPhone 3GS, iPhone 4, iPad 1, iPod Touch 3G, iPod Touch 4G and Apple TV 2G. It does not work with A5 devices, like iPad 2, iPad 3 and iPhone 4S.
iH8Sn0w has released a beta of Sn0wbreeze a software utility which jailbreaks the iPod Touch 1G, 2G and iPhone 2G, 3G, and 3GS (old bootrom & non MC). The software runs on Windows XP, Vista, 7 (32 or 64 bit). Sn0wbreeze is similar to PwnageTool for Mac. It will allow you to create custom ipsws which can be built to include Cydia applications and personalized boot logos.
At this time BlackRa1n is still recommended for Windows users with firmware 3.1.2 and RedSn0w for earlier firmwares.
Here’s a new video preview of Sn0wbreeze, the iH8sn0w’s Windows tool that will be able to create a custom firmware, just as PwnageTool Mac.
In the video we see a preview of the graphic interface and the first functions. At startup we choose the expert or the simple mode and the rest should be exactly as we know it already.