Turn off your DSi. Insert the game cartridge. Turn the console on. If your current firmware is lower than 1.4.2, a screen will appear asking, "Your DSi system menu must be updated to play this software. Update now?" Press "Yes." Do not turn off the power during the 2-minute process.
This update followed the major 1.4 release, which introduced the Facebook photo upload feature and improved image display speeds in the DSi Camera app. Nintendo Dsi Firmware 1.4.2 Download
Unless you are a homebrew developer testing legacy code or a completionist trying to un-brick a specific flashcart, Turn off your DSi
was Nintendo’s shield upgrade. It didn't add fancy new features (no Netflix, no Flipnote Studio updates). Its sole purpose was to break compatibility with existing flashcarts. a screen will appear asking