Updated to R7 to support iOS 6
iREB 3.1.3/4.0.x/4.1/4.2.1/4.3/4.3.1/4.3.2/4.3.3/4.3.4/4.3.5/5.0/5.0.1/5.1.1/6/6.0.1/6.1/6.1.1/6.1.2 R6 is a tool for Windows that will put your device into a pwned state so that you can upload custom firmware to it. iH8sn0w has just released iREB r7, to fix iTunes 1600, 1601, 1602, 1603, 1604 error when you use custom firmware. its support all new & old devices.
PwnageTool allows you to restore to a custom IPSW file. For instance, you can restore to a pre-jailbroken firmware while simultaneously maintaining your current baseband (and thus your ultrasn0w carrier unlock). You can also add whatever packages you want in the “Expert” mode of PwnageTool, if you wish to pre-install Cydia packages.
[Updated for iOS 5.1.1]
The iPhone Dev Team has updated PwnageTool to version 5.0.1 to support untethered jailbreak on iOS 5.0.1 using Pod2g exploit. All devices (except iPad 2 and iPhne 4s ) are supported. This includes iPhone 4, 3GS, iPad 1, iPod touch 4G/3G and Apple TV.
UPDATED with 184.108.40.206
The iPhone Dev Team has updated PwnageTool to version 4.3.3 to support untethered jailbreak on iOS 4.3.3 using i0n1c’s exploit. All devices (except iPad 2) are supported. This includes iPhone 4, 3GS, iPad 1, iPod touch 4G/3G and Apple TV.