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.
Here are step-by-step tutorials that will guide you through all the process of jailbreaking iOS 5.1 and iOS 5.0.1 with sn0wbreeze, redsn0w, pwnagetool and absenthe:
iH8sn0w has released new version of popular jailbreak utility Sn0wBreeze 2.9.2. Sn0wbreeze is used to create a custom firmware with jailbreak and preserve iPhone modem (baseband) version for unlock. New version 2.9 adds support for untethered iOS 5.0.1 jailbreak as well as support for all firmwares supported by previous versions of sn0wbreeze.
Version 2.9.2 features tethered iOS 5.1 jailbreak for iPhone 3GS, iPhone 4, iPad 1, iPod Touch 2G, iPod Touch 3G and iPod Touch 4G.