The "paper" or documentation for this tool typically outlines its use in bypassing (specifically errors 1600, 1601, 1602, 1603, and 1604) that occur when attempting to install custom firmware (IPSW files). This specific version (4.0.x/4.1 RC2) was released around late 2010 to support devices running iOS 4.0 through 4.1. Key Specifications & Supported Hardware Developer: iH8sn0w.
Reviving an older device using this tool requires a precise order of operations. Follow these steps carefully: Prerequisites
: Occurs when a device refuses to load the operating system and continually restarts back into the "Connect to iTunes" graphic. Step-by-Step Usage Instructions
Download and unzip the iREB 4.0.x 4.1 RC2.zip archive to your desktop.
Hold down the and Home buttons simultaneously for exactly 10 seconds . iREB 4.0.x 4.1 RC2.zip 1
If you still get error 16xx, ensure you have correctly used iREB to enter pwned DFU mode. Legacy Device: This tool is intended for older iOS devices.
Open the iREB utility and select the specific device model from the provided list.
Hold down the and Home buttons simultaneously for exactly 10 seconds.
Choose your specific device model from the list provided in the iREB interface. The "paper" or documentation for this tool typically
Note: Proceed with caution, as jailbreaking and using custom firmware can lead to issues if not done correctly. Conclusion
Using iREB was designed to be straightforward, even for those new to jailbreaking. For users who might have the "iREB 4.0.x 4.1 RC2.zip" file today, here is a general guide to how the process worked. This is based on tutorials for similar versions of the tool and the underlying principles that remain the same.
: Open the iREB application and select your specific device model from the list. : Follow the on-screen instructions to put the device into (usually involves holding the Power and Home buttons).
In 2010, Apple significantly tightened its security. When users tried to restore their iPhones (2G, 3G, 3GS, or 4) or iPod Touches to (IPSW) using iTunes, they were frequently met with "Unknown Error" codes, specifically 1600, 1601, 1602, 1603, and 1604 . Reviving an older device using this tool requires
A file browser window will pop up. Select your pre-downloaded custom .ipsw file.
Right-click the extracted iREB.exe file and select .
Rerun iREB and ensure you keep the application open in the background until the restore begins. USB timing discrepancy or wrong device selection.
Enter iREB, the "iTunes Restore Error Bypasser." Created by the legendary developer iH8sn0w, iREB was a small but powerful GUI application designed to solve this exact problem. For users trying to find the specific file "iREB 4.0.x 4.1 RC2.zip", you are looking at a significant historical release that streamlined the process of preparing an iOS device to accept custom firmware on Windows, a capability once exclusive to Mac tools like PwnageTool.
