Maybe the game says “Downloading title information…” forever. Maybe the costumes or extra levels are greyed out. This is where the term enters the conversation.
This article is for educational and archival purposes. Modifying system files, using debug EBOOTs, or connecting to custom servers may violate Sony’s Terms of Service and could result in a console ban. Proceed at your own risk. The PS3 DLC Fix Guide: Unlocking Locked Content on Legacy Hardware If you’ve recently dusted off your PS3 or bought a used one, you’ve likely encountered a frustrating problem: Downloadable Content (DLC) that you own (or should be able to access) simply won’t work. Ps3 Dlc Fix
You are on a standard OFW (Official Firmware). Without hacking your console, there is no "fix" for broken DLC except re-downloading from your download list. If it’s not there, it’s gone. This article is for educational and archival purposes