Using iREB 4.0.x 4.1 RC2.zip 1 is relatively straightforward. Here's a step-by-step guide to get you started:
. This state allows iTunes to accept and install custom firmware that has not been officially signed or authorized by Apple, which is often necessary for jailbreaking or downgrading older devices. Key Features of Version 4.0.x/4.1 RC2 Error Bypassing iREB 4.0.x 4.1 RC2.zip 1
iREB is a lightweight Windows-based application that puts your device into a "Pwned DFU" state. In this state, the device's bootloader is patched to accept custom IPSW (iPhone Software) files that iTunes would otherwise reject. Supported Devices for RC2 Using iREB 4
: Return to iTunes, hold the Shift key (Windows), click Restore , and select your custom firmware file. Key Features of Version 4
: Places iOS devices into a "pwned" DFU mode, allowing iTunes to accept custom IPSW files created by tools like sn0wbreeze Recovery Mode Fix to resolve recovery mode loops and the common 1015 error. No libusb Required
: Does not require libusb or specialized drivers to be manually installed. Simplified GUI
Connect your iPhone or iPad to your computer via USB and launch the application.