: Always check the MD5 or SHA-256 hash of your files against trusted database repositories to ensure they are clean, official dumps.
First and foremost, Donkey Kong Bananza is a real, official release by Nintendo. It is not a fan game or a rumor. So, what makes it so special that people are searching for it in these formats?
The standard dump from physical retail cartridges.
Ensure your storage media uses the exFAT or FAT32 file system correctly. While FAT32 is more stable for custom hardware, it has a 4GB file size limit. Large XCI files must be split or installed over a network/USB connection to bypass this limit.