If you're playing on an emulator, follow these steps to use the codes listed above:
SOCOM U.S. Navy SEALs: Fireteam Bravo 3 is a tactical third-person shooter game developed by Zindagi Games and published by Sony Computer Entertainment. The game was released in 2007 for the PlayStation Portable (PSP) handheld console. This report provides an overview of cheats, codes, and free resources available for the game.
Don't overload your SEAL. Carrying too much gear slows your movement and increases your noise profile. Keep your loadout light for stealth missions.
While most modern players use external tools like or PPSSPP menus, there is a reported manual code for some versions: