Once finished, the keys will be saved to your SD card at /switch/prod.keys .
You must dump the keys from your own Nintendo Switch console. This process requires a hackable Switch (typically an unpatched Erista model) running a custom firmware like Atmosphere. hactool prod.keys does not exist
However, one of the most common and frustrating roadblocks for beginners is the stark, unforgiving error message: Once finished, the keys will be saved to