It does not use the Frostbite engine found on PS4/Xbox/PC.
It sounds like you’re looking for a or improvement for FIFA 21 Legacy Edition on Nintendo Switch (specifically referring to an NSP update, likely for a hacked console). fifa 21 legacy edition switch nsp update better
: It uses a custom engine rather than the Frostbite engine , meaning gameplay innovations like "Agile Dribbling" or revamped defending are completely absent. It does not use the Frostbite engine found on PS4/Xbox/PC