Download Redsn0w 0.9.6b1 To Jailbreak iOS 4.1 Anda iOS 4.2

Redsn0w 0.9.6 is just released by Dev-Team, it can be used to jailbreak iOS 4.1 and iOS 4.2 (according Musclenerd) firmware. But it will update your current baseband too for which you will lose unlock ability. Thus if your iPhone is currently unlocked using Ultrasn0w then keep away from jailbreaking your iOS 4.1 and iOS 4.2 using this Redsn0w 0.9.6b1!

Here is the download link to get redsn0w 0.9.6b1, currently for Mac. As for Windows, will be launched soon.