If you downloaded a .ups patch instead of a pre-patched Spanish ROM, you must use a tool like or an online ROM patcher. You will need a clean "1636 Pokémon Fire Red (U) (Squirrels)" ROM as the base. Technical Specifications Base ROM Pokémon FireRed (U) Region Borrius (Original) Language Spanish (Español) Current Version 2.1.1.1 (Check for latest updates) Platform Game Boy Advance / Emulator Is it safe to download from MediaFire?
I can provide specific instructions to make sure your game runs perfectly!
Includes Mega Evolution, Z-Moves, Dynamax (in specific battles), and the physical/special move split.