Download the official update (v1.3.0) from your Switch’s system memory using NXDumpTool in “NSP” mode. Then use SAK (Switch Army Knife) or NSCB to rebuild a new XCI with the update merged. This avoids needing a separate [update].nsp .
Use a hackable Switch (pre‑Mariko unit) running Atmosphere. With NXDumpTool, select “Dump gamecard” → “XCI” (not trimmed if you want updates later). This yields a [TitleID].xci file. super mario odyssey xci
Prerequisite: You own a physical cartridge of Super Mario Odyssey . Download the official update (v1