Sponsored Links
It's a regular struggle if you are on a custom firmware and wants to be on the latest iOS 5 firmware. Following the iTunes software update, if you are facing iTunes errors then download the newer iREB version 5 for Windows from the links given below, it works for latest iOS 5.1.1, iOS 5.1.2 and also for the older iOS firmware.
As the new iTunes version is also available, a new update iREB r6 could also be released soon by iH8sn0w.
Download iREB 5 for iOS 5 Windows
Download link. Version 5
iREB r6 download link will be made available on this as soon as it is released.
If you are looking for iREB for iOS 5 for Mac OS X and Lion then download Redsn0w (latest version at the time of writing).