This update focused on critical gameplay fixes rather than new content: Pokémon Scarlet And Violet Update 3.0.1 Patch Notes
: Some users report issues when installing the 3.0.1 update as a standalone NSP, suggesting that using pokemon scarlet 301 nsp link
NSP files are a type of file format used by the Nintendo Switch to distribute and install games and other content. NSP stands for "Nintendo Submission Package" or "Nintendo Software Package." These files contain the game's data, including the executable, assets, and other necessary files. This update focused on critical gameplay fixes rather