The specific versions mentioned in the keyword——represent some of the most iconic versions of iOS. During this era, tools like Sn0wbreeze were used to create custom firmware for devices like the iPhone 3GS and iPhone 4. Key Features of iREB RC3
Once the device was pwned, the user could open iTunes and "Shift+Restore" to select their custom 4.0.x, 4.1, or 4.2.1 firmware. ireb+40x+41+421+rc3zip+extra+quality
Users would download the rc3.zip and extract the application. Users would download the rc3
It focused on devices with the S5L8900 chip, such as the original iPhone and iPod touch, and newer S5L8920/S5L8930 chips (iPhone 3GS/4). or 4.2.1 firmware.
Downloading zip files from unverified sources with tags like "extra quality" can be risky. Always use trusted developer repositories or community-vetted wikis to avoid malware. iREB - The Apple Wiki
The original source code for iREB 2.0 can be found on GitHub .
