Ireb 4.0.x - 4.1 Rc2.zip 1 ((new))
Typically caused when a custom IPSW is restored over a non-pwned DFU state.
Usually related to USB communication or Apple’s security checks blocking the restore process. iREB 4.0.x 4.1 RC2.zip 1
The 4.0.x / 4.1 RC2 release was particularly significant because it introduced stable support for iOS 4.1, a popular version for legacy iPhone and iPod touch models. Typically caused when a custom IPSW is restored