ps3discsfb is a file that is often associated with PS3 disc images. It's a part of the PS3's disc file system, which allows the console to read and play games from discs. The ps3discsfb file is usually found in the root directory of a PS3 disc image.
If your game still won't boot after adding the .sfb file, ensure the Title ID inside PS3_GAME/PARAM.SFO matches the ID used to create your .sfb file. ps3discsfb file download repack
Without this file, third-party backup managers (like multiMAN) or emulators will fail to detect the game, treating the folder as generic data rather than a bootable game. Why Repacks Cause Missing File Errors ps3discsfb is a file that is often associated