On flashcards (e.g., R4, Ace3DS, DSTT), some users prefer to boot directly into the stock Nintendo Menu before launching a game — especially for games that rely on Download Play or DS Wireless communication.
Low-level emulators (LLEs) attempt to emulate the DS hardware cycle-by-cycle. The DS Menu contains low-level routines that some homebrew applications or complex games assume exist. If the firmware is missing, the emulator will either crash or show a black screen after the health and safety warning. Nintendo Ds Menu Rom
Better compatibility for games that check system settings (like Animal Crossing or Pokémon ). 🛠️ Required Files On flashcards (e