Nintendo shut down the DSi Shop in 2017. Hundreds of small, unique games (like Aura-Aura Climber or Photo Dojo ) are no longer legally purchasable. Emulation, powered by BIOS and NAND dumps, is the only way to preserve and play these titles.
Here are frequent issues users face after obtaining BIOS files: dsi bios files download
Your safest, most ethical path is:
: A unique, large file containing the DSi's internal storage and system menu. This is often console-specific and harder to find legally. How to Obtain These Files Nintendo shut down the DSi Shop in 2017
Ensure you also have a if you want to save settings or use the DSi Menu. powered by BIOS and NAND dumps