If you accidentally downloaded the file, upload it to (without opening it). It will scan with 60+ antivirus engines.
The specific string "40x 41 421 rc3" refers to a version of iREB released to support firmwares . ireb 40x 41 421 rc3zip link
Bypassing iTunes restore errors during the use of tools like Sn0wbreeze to install custom IPSW files. How to Use iREB Connect your device to your computer via USB. (Windows usually requires "Run as Administrator"). If you accidentally downloaded the file, upload it
: A central reference for Requirements Engineering (RE) terms used across all modules. Third-Party Materials Bypassing iTunes restore errors during the use of
The tool (specifically versions for iOS 4.0.x, 4.1, and 4.2.1) is a utility created by developer iH8sn0w to help bypass iTunes errors (like Error 1600, 1601, 1602, 1603, or 1604) when restoring custom firmware on older iOS devices. It functions by putting the device into a "pwned DFU" state using specific exploits. Download Links
The term "iREB" and related alphanumeric codes sometimes appear in documentation for remote monitoring systems (like those from ), which provide automated PDF reports and status graphs for B2B professionals. Internal Firmware/Software Reports: The "rc3.zip" extension indicates a Release Candidate 3
Install a compatible version of iTunes (older versions are often required for legacy tools). : Open the Application : Launch iREB on your Windows PC.