Do not install DLC before the update. Use DBI, TinWoo, or AtmoXL:
Some users use XCI (Cartridge dumps) instead of NSP. kao the kangaroo rom nsp update dlc switch work
We cannot provide direct links, but we can guide you toward reliable sources: Do not install DLC before the update
Always scan with Jotti or VirusTotal before moving to your Switch. We cannot provide direct links, but we can
Many users report the game asking to "check if software can be played" or failing to launch. This is sigpatch-related.
This is usually a firmware mismatch.