The acronym KT-NBE typically refers to a specific game title (often Japanese or Asian region releases, such as Kin'iro no Corda series or similar Koei Tecmo titles). Platform: NSwTcH is a common shorthand for Nintendo Switch .
Ziperto is a well-known community site that hosts Switch-related software backups and updates. Usage and Risks Nintendo Switch DLC & Updates - Ziperto
The file is a compressed archive containing a software update for a Nintendo Switch game. Based on the naming conventions used by the source site Ziperto , File Identity Report
NSP stands for Nintendo Submission Package , which is the standard file format used for games and updates on the Switch console.
Update181 indicates this is update version 1.8.1 for the game.
