Install the Tekken TT2 BLES01702 V01.03.pkg . This specific update file often acts as the "key" to patch your local save and force-unlock the characters. 💡 Pro Tips for Success
How can you tell if your DLC PKG is truly the superior, updated one?
: If you have failed attempts, go to the PS3 XMB and delete both the game's existing save data and installation data to start fresh.