You cannot directly copy someone else’s save file to your PS3 because of console-specific encryption. Each PS3 save is locked to the PSN ID and Console ID that created it. However, there is a workaround using a software tool called Bruteforce Save Data (or Save Resigner) .
If the save does not load, you may need to use tools on a computer to resign the save, or find a save specifically marked as "re-signable". Troubleshooting Error Code: Ensure the folder structure is exactly PS3/SAVEDATA and the folder name inside starts with the correct ID code. Corrupted Data: dragon ball z burst limit ps3 save data
Manually completing the game involves clearing three major sagas—Saiyan, Frieza, and Cell. By using a 100% completed save file, you bypass the grind and immediately unlock: You cannot directly copy someone else’s save file