The file SwordUpv1d3d0NSP-pokemonerdotcom.zip is a modified or backup package containing the v1.3.0 update for Pokémon Sword , used primarily in Nintendo Switch emulation or on custom firmware consoles [1]. This .nsp format file is commonly utilized to add content, such as the Crown Tundra DLC, to the base game, but carries risks of malware and potential hardware bans for unauthorized use [1].