How to: Jailbreak 4.2.1 & Preserve Baseband Sn0wbreeze 2.2r1, UltraSn0w Unlock [Video Guide]

iH8sn0w, the well-know iPhone hacker has just released Sn0wbreeze 2.2 which also known as PwnageTool for Windows, Sn0wbreeaze 2.2 will allow you to jailbreak iOS 4.2.1 by creating custom firmware for Windows. This version is also based on Greenpois0n exploit.

 

The main advantage of Sn0wbreeze 2.2 is the capability of preserving baseband with the new feature "Baseband Preservation Mode", which allows you to jailbreak iOS 4.2.1 and unlock your iPhone 4, 3GS and 3G with the existing version of ultrasn0w.
Supported devices: iOS 1.59.00

• iPhone 4, 3GS, 3G
• iPod touch 4G, 3G, 2G
• iPad

How to use Sn0wbreeze 2.2 video guide:

Download Sn0wbreeze 2.2r1 for Windows
Direct download links for iOS 4.2 (Official):

• iPhone 3G
• iPhone 3GS
• iPhone 4
• iPod touch 2G
• iPod touch 3G
• iPod touch 4G
• iPad 3G and Wi-Fi

Download iTunes 10.1 for Windows and Mac
Download .NET Framework 3.5 (required to run Sn0wbreeze)