Comprehensive lists of legacy iTunes error codes and their technical meanings.
Before iREB, users had to rely on complex, manual steps to create pwned DFU states, often involving complicated command-line tools. iREB provided a user-friendly, one-click solution that was essential for:
Specifically optimized to handle devices running iOS 4.0, 4.0.1, 4.0.2, and iOS 4.1. iREB 4.0.x 4.1 RC2.zip 1
The software package is a legendary utility from the classic iOS jailbreaking era designed to bypass restrictive iTunes restore errors (like Error 1600, 1601, 1602, and 1604) by forcing an iOS device into a "pwned" DFU mode. Developed by renowned developer iH8sn0w, this Release Candidate 2 (RC2) version remains a vital piece of software for retro-tech enthusiasts and collectors looking to restore custom firmware (IPSW files) onto legacy Apple devices running iOS 4.0 through iOS 4.1. What is iREB and Why is it Necessary?
Supports a wide range of devices from the 4.x era (see below). Supported Devices Comprehensive lists of legacy iTunes error codes and
Strips away Apple's hardware-level signature checks before iTunes starts the restore.
Understanding iREB 4.0.x/4.1 RC2: The Definitive Guide to Bypassing iTunes Restore Errors The software package is a legendary utility from
: A Windows PC (Windows 7 or Windows 10 running in Compatibility Mode is highly recommended).
: iPod Touch 1G, 2G (MB & MC models), 3G, and 4G. iPad Series : iPad 1st Generation. Apple TV : Apple TV 2G. Step-by-Step Implementation Guide
Download and unzip the iREB 4.0.x 4.1 RC2.zip archive to your desktop.
: Connect your iPhone, iPad, or iPod touch to your computer via USB. Launch iTunes. Then, put your device into DFU (Device Firmware Upgrade) mode using the following steps (timing is critical):
