The most common cause is a "bad" or "dirty" ROM dump. If a cartridge was dumped using outdated tools or was improperly "trimmed" to save space, the DSi binaries—which are stored at the end of the file—are often the first things deleted.
The most common cause is a "bad" or "dirty" ROM dump. If a cartridge was dumped using outdated tools or was improperly "trimmed" to save space, the DSi binaries—which are stored at the end of the file—are often the first things deleted.