Disclaimer: This guide is intended for educational purposes and to assist users who legally own a copy of LEGO CITY Undercover. Downloading or distributing copyrighted software (NSP files) without ownership is illegal. Homebrew and modding carry inherent risks; you assume full responsibility for your device. Introduction LEGO CITY Undercover is an open-world adventure game on the Nintendo Switch. While the base game is stable, updates often provide bug fixes, vehicle patches, and performance optimizations. If you are running a physical cartridge or a digital backup and wish to update the game using NSP files (common in the homebrew community), this guide covers the process. Teracopy 3.9.7 Key — Workflow Through Automation.