To even use an XCI file, your Switch must be "unpatched" and running custom firmware like Atmosphere. Most modern Switch OLED and Lite models require hardware modifications (modchips) to run these files. The Better Alternative: Support the Developers
Mario + Rabbids Sparks of Hope on the Nintendo Switch, updating the game depends on whether you are using official software or a modified console environment. Official Update Method To update the game through the standard Nintendo eShop Highlight the game icon on the Home menu. button to open the Options menu. Software Update Via the Internet mario rabbids sparks of hope switch xci free upd