In the PS3 homebrew scene, Duplex is a well-known group that released various "fixes" for games to run on specific Custom Firmware (CFW) versions.

Disclaimer

to download and apply the "Disable MLAA" patch, which is the primary fix for the black screen bug. Check Firmware & Tools: Ensure your console is on a recent COBRA-enabled firmware

Enable "Disable MLAA": This is mandatory to fix the black screen bug.

  1. Download and extract the patch fix tool to your computer.
  2. Connect your PS3 to your computer using a USB cable.
  3. Run the patch fix tool and follow the on-screen instructions.
  4. The tool will automatically detect and fix the duplex patch issue.

Native. Since it only changes the boot logic, it doesn't affect frame rates or graphics. Safety

Method: Replaces the original encrypted EBOOT.BIN and sometimes .sprx files with decrypted/modified versions.

Additional Tips