It is exciting to hear that GeoHot is back in the Jailbreaking game with the newest iOS 4.1 Jailbreak method entitled Limerain (Limera1n). The Limerain Jailbreak is intended for iOS 4.1 devices including the iPhone 4, iPhone 3GS, iPod Touch 4G, iPod Touch 3G, the iPad and also Apple TV (no apps yet).
Update (October 17, 2010): Limera1n Available for Mac
GeoHot mentioned the Limera1n Jailbreak Before and even showed a video of it in action. He states that while it may not be as simple as his previous one touch Blackra1n Jailbreak, it is still a fairly simple Jailbreak which is Untethered and attends to the various Apple users.
[Note: we are not responsible for jailbreaking, hacking or amending your Apple devices. Any changes done are your sole responsibility]
[Limera1n Jailbreak of the iPhone 4 iOS 4.1 shown in the video…thanks to Engadget]
To Jailbreak your iOS 4 device, you will need to download Limera1n and follow the prompts. Note: Windows only at this time. If you are looking for an iPhone 3G Jailbreak, then GeoHot suggests Redsn0w.