The custom firmware jailbreak tool sn0wbreeze Sn0wbreeze v2.9.3 is available as a download. By Sn0wbreeze can be created without baseband update under Windows iOS own firmware. Therefore Sn0wbreeze is especially interesting when iPhone Unlock. By downloading the Sn0wbreeze v2.9.3 iOS 5.1 is tethered jailbreak on iPhone 4, iPhone 3G, iPad 1, 3G & 4G iPod touch and Apple TV 2 (iOS 4.4.4).
Anyone here a untethered jailbreak iOS 5.1 is expected to be disappointed. Unfortunately, there will be without a suitable user level exploit for the time being no untethered jailbreaking iOS 5.1.
Also excluded are iPhone and iPad 2 User 4S – for lack of boot level exploit is a jailbreak untethered jailbreak yet neither tethered jailbreak possible.
If you still want to upgrade to iPhone 4 or iPhone 3G to iOS 5.1, it is as Unlocker and wants to keep its baseband and get along with a tethered jailbreak iOS 1.5 should now like to sn0wbreeze 2.9.3 download by iH8sn0w on the blog
Download Sn0wbreeze tethered jailbreak for IOS 5.1