Physical carts often retain the base version (1.0.0). You can buy a used copy on eBay or Facebook Marketplace for $20–$30 (MSRP was $40). Once inserted, the free update downloads. You can then resell the cartridge, effectively playing the updated game for the cost of shipping.
Regarding the specific version in your query, users should be cautious. Official updates (such as Version 1.0.1 or 1.0.2) for the retail game are delivered automatically via the Nintendo eShop or the Switch home menu and are free for all owners. However, terms like "nspupdate" often appear on third-party sites associated with unofficial files, which can carry security risks. Review Highlights