WinPwn has released version 2.0 which allows you to jailbreak both 1.1.4 and 2.0 firmwares of the iPhone, custom image support, custom payload support and 3G iPhone support for Windows users.

So what the heck is all this “pwning” business you ask? Pwning in relation to this tool is a process that patches the official Apple Bootloader in the iPhone and iPod touch allowing you to circumvent code signing checks so that custom firmware can be run on the iPhone or iPhone touch. winpwn is an application that automates and simplifies the new method of “Pwning” an iPhone or iPod Touch. When you start the application the first time you will be presented, on the left hand side with a window with five different buttons, all main application functions are accessible from these buttons.

Download from Mirror1, Mirror2

Here is a video demo explaining WinPwn usage:

Note: winpwn is to be used at your own risk! It may cause damage to your equipment. More info can be found at iphone-dev.org, iphonelinux.org, winpwn.com

Use iPhone mods and hacks at your own risk! Installing 3rd Party iPhone apps requires you to jailbreak the iPhone before installing the native software and apps. Browse the full list of all iPhone and iPod touch native 3rd party apps filed under the software category.

Get it here