Indicates that this is a specific game update (patch), likely version 1.3.7, designed to update the base game to a newer version. Ziperto: The source/uploader of the file.
Incorrectly installing NSP files can lead to data corruption or, in rare cases, a "bricked" (unusable) console. CUPHD-NSwTcH-NSP-Update137-Ziperto.rar
It is designed to be installed using custom firmware tools (e.g., Tinfoil, DBI, Awoo Installer). Indicates that this is a specific game update
Using these files violates Nintendo's terms of service and can lead to a console ban from Nintendo Online services. General Usage Tips likely version 1.3.7