the updated save data file (usually a zipped folder named something like ULJM05940 ). Extract the folder using a program like 7-Zip or WinRAR. Locate your PPSSPP save directory: Windows: PPSSPP\memstick\PSP\SAVEDATA Android: Internal Storage/PSP/SAVEDATA

Are you using the or a specific English fan translation patch ?

Since Tag Force 6 was never officially released in English, these saves bypass the massive grind required to unlock high-level Synchro and Xyz monsters. They allow players to immediately jump into "Free Duel" mode or test out competitive deck recipes against the game’s toughest AI. Yu-Gi-Oh! 5D's Tag Force 6 – Save Games - GameFAQs

If the emulator or PSP displays a "Corrupted Data" message, it is usually due to a region mismatch or a plugin conflict.

On the seventh night, he faced the final inverted partner: himself. A dark copy with his own deck, but every card had “-1” printed under its attack points.

Curiosity overriding caution, he loaded the file.

The screen glowed. One by one, the inverted portraits softened back into their smiling partner sprites. Yusei nodded. Jack scoffed. Akiza’s rose bloomed normally.