Updated to R7 to support iOS 6
iREB for Mac OS X Released
iREB R7 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 is a tool for Windows that will put your device into a pwned state so that you can upload custom firmware to it. Download iREB r7, to fix iTunes 1600, 1601, 1602, 1603, 1604 errors when you use custom firmware. its support all new & old devices.