Power off your Switch, remove the microSD card, and insert it into your PC. Copy the .nsp update file to the /switch/tinfoil/ or /install/ folder on your SD card.
Hold Volume Up + Power to boot into Hekate, then launch Atmosphere (emuMMC). Super Kirby Clash Switch NSP UPDATE
Since its surprise release as a free-to-start title in 2019, Super Kirby Clash has carved out a dedicated niche within the Kirby franchise. Shifting from traditional platforming to a four-player boss-rush action RPG, the game offers surprising depth. However, for players using custom firmware (CFW) on the Nintendo Switch, keeping the game updated with the latest is critical for accessing new bosses, balancing patches, and—most importantly—bypassing the aggressive "Aeos Gem" monetization structure. Power off your Switch, remove the microSD card,