You need a clean, unmodified copy of Bleach: Soul Carnival (Japan). The file name typically looks like:
Prerequisites
Some patches use high-res English textures. Place these in the PPSSPP/PSP/TEXTURES/[GameID] folder to replace Japanese menus with English ones. Method 2: Patching the ISO (Original PSP/Vita) bleach soul carnival english patch install
Ensure your ISO is . The patch expects a specific checksum. If you have a compressed .cso file, decompress it back to .iso using a tool like CSO Compressor or PSP ISO Compressor . You need a clean, unmodified copy of Bleach: