You must download the specific for the EUR version.
This guide will walk you through the history of this specific fix, the technical reasons why it failed, and the step-by-step methods to get the King of Iron Fist Tournament running on your legacy setup. -PS3--FIX--3.55--EUR-Tekken Tag Tournament 2
When TTT2 was released in 2012, it required a system firmware version higher than 3.55. Users on older 3.55 CFW—a popular version for homebrew and backup management—encountered "Update Required" messages. To solve this, developers like released specialized EBOOT fixes . You must download the specific for the EUR version
Connect your USB drive or access your PS3 via FTP. Navigate to your game directory: Users on older 3
Includes over 50 characters, featuring almost every fighter from the series up to that point, including the return of Jun Kazama.
If you are trying to unlock DLC characters, users on Reddit recommend installing the v01.03 patch PKG after playing at least one match to ensure the save data updates correctly.
This is why simply downloading the game was not enough—you needed the specific files designed for 3.55 CFW users.