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December 14, 2025Dec 14, 2025

Understanding the technical journey of LEGO City Undercover on the Nintendo Switch requires looking at how early post-launch updates addressed the game's notorious performance issues

You need the Update 1.0.2 specifically bundled with the title.key that matches the Rebuilt NSP. Here is the checksum theory (do not use illegal hash sites, but verify your file structure):

Lego City Undercover patch is out and it's 479MB : r/NintendoSwitch