Close iTunes if it opens automatically. Launch the iREB executable.
Typically caused when a custom IPSW is restored over a non-pwned DFU state. iREB 4.0.x 4.1 RC2.zip 1
Click the button corresponding to your specific device model. Close iTunes if it opens automatically
Connect your device to your PC. Turn it off, then follow the standard DFU sequence: Hold Power + Home for 10 seconds. Click the button corresponding to your specific device model
The 4.1 RC2 version expanded compatibility to a wide range of "Limera1n-compatible" and older devices: 2G, 3G, 3GS (Old & New BootROM), and iPhone 4. iPod Touch: 1G, 2G (MB & MC), 3G, and 4G. iPad: Original iPad (1st Gen). Apple TV: Apple TV 2. Step-by-Step Tutorial: Using iREB 4.1 RC2
The primary goal of iREB is to bypass the notorious that plague iTunes restores. These include:
