Before downloading any archive like Jb 500.zip , ensure you are sourcing it from a reputable community like PSX-Place or GBATemp .
: If the zip contains a firmware update, it must be placed in a specific directory: USB Drive > PS3 > UPDATE > PS3UPDAT.PUP . 3. Installation Process Once the file is on your USB: Plug the USB into the rightmost port of your PS3. Navigate to Settings > System Update . Select Update via Storage Media . Download File Jb 500.zip
: Large files (over 4GB) cannot be placed on FAT32 drives. You will need to use FTP or an NTFS formatted drive with a file manager like multiMAN to move them to the internal HDD. Before downloading any archive like Jb 500