Sn0wbreeze 2.2 has been released by ih8sn0w (developer of Sn0wbreeze jailbreak tool). It is Similar to the PwnageTool. Sn0wbreeze 2.2 uses the same exploit used in the GreenPois0n tool which will help to do Untethered Jailbreak of Apple devices which are run on iOS 4.2.1 firmware.

Sn0wbreeze 2.2, the latest version of Sn0wbreeze will be coming out soon. This was mentioned by iH8sn0w, the sn0wbreeze developer on twitter. Sn0wbreeze 2.2 tool will help Unlock iPhone 4, 3GS, 3G on iOS 4.2.1 by restoring the phone without upgrading the baseband so that you could unlock it using previous version of ultrasn0w. iH8sn0w: [...]

Use Sn0wbreeze 2.1 to jailbreak iOS 4.1. Sn0wbreeze 2.1 comes with a custom firmware on Windows and supports all devices and bootroms. Sn0wbreeze 2.1 works on windows. Windows users can now jailbreak iPhone, iPod Touch, iPad (iOS 3.2.2), Apple TV 2G using Sn0wbreeze 2.1. Snowbreeze 2.1 doesn’t upgrade the baseband of your device so that [...]

Few days back, I shared a tip on Unlock / Jailbreak iPhone OS 3.1.3 using Redsn0w 0.9.4. Today, i am going to share one more way to Unlock / Jailbreak iPhone.