Pokemon Fire Red cheat codes to make wild Pokemon have max IV always: 33007CF1 001F
How to use cheat codes: It is recommended to use a GameBoy Advance using Gameshark or Action Replay on your PC to play the game.
In order for any cheat codes to work, first you need to enter these master codes: 3AF85ACA C4D18CEC, 8E883EFF 92E9660D
Once you've entered the master codes, Open VBA emulator > File > Open > Pokémon Fire Red ROM > Cheats > Cheat List > Gameshark > Enter desired cheat code > Select OK twice.
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Pokemon Fire Red Cheat Codes: Modify Wild Pokemon, See Shiny Pokemon