FIFA Soccer 12 on the PSP does not have traditional "unlimited money" or "instant win" button codes, you can use unlockable codes to expand game content or use emulator databases if playing on PPSSPP. Unlockable Content Codes Enter these button sequences at the Game Mode screen
This article covers everything —from classic hex codes for money to gameplay slider exploits and how to unlock every classic kit and stadium without playing 1,000 matches. fifa 12 cheats psp