Erasing Data on Nintendo DS – Per-Game Saves or Factory Reset

You can't wipe the entire DS at once, but you can delete per‑game saves or factory‑reset.

Delete Specific Save Data

1. Highlight game icon on Home menu.
2. Press Start → Options/Settings.
3. Choose "Delete Save Data" / "Reset Game" (wording varies).
4. Confirm.

Factory Reset (Wipes Everything)

1. Power off DS.
2. Hold Start + Select + Power simultaneously.
3. Keep holding until reset prompt appears.
4. Select Yes.

Backup first! SD card files can be deleted via PC. Use separate save slots for multiple users.