Version 3.1 included an updated version of nkpatcher, which managed the system's kernel-level modifications more efficiently.
Ndure 3.1 is a classic "save-game exploit" tool used to unlock the capabilities of the original Xbox (2001) without hardware modifications. Read Customer Service Reviews of ndure.com - Trustpilot ndure 3.1
To upgrade, FTP the "Quick Upgrade" files to the E: drive and run the default.xbe from the console's file manager. Version 3
Prepare the console to recognize larger internal hard drives, moving beyond the original 8GB or 10GB limits. Game Preservation: ndure 3.1