: Return to iTunes, hold the Shift key (Windows), click Restore , and select your custom firmware file.
Connect the iOS device to a computer running Windows (iTunes 10 or later was typically required at the time). iREB 4.0.x 4.1 RC2.zip 1
Practical notes
The team was thrilled. They had done it. The client would be happy. And Alex had learned a bit more about the inner workings of iOS and the sometimes obscure tools that could make a huge difference. : Return to iTunes, hold the Shift key
Security and legality
: This is a common file extension for compressed files, suggesting that the file in question is an archive. : Return to iTunes
: Follow the on-screen prompts to put your device into DFU mode. This typically involves: Holding Power and Home for 10 seconds.