Thus, any "prodkeys correct 2021" claiming to work would have needed to bypass these new mechanisms—which no public .keysdat file could reliably do.
Success metrics
In 2021, Nintendo released Switch firmware versions ranging from 11.0.1 to 13.2.0. Each major firmware update introduces new master keys. If you used an outdated version of SAK or old dumped keys in 2021, the software would fail to decrypt newer games released in that era. ⚠️ The Danger of Downloading Pre-Packaged Keys sak are the keysdat prodkeys correct 2021
Security & safety
: To get a complete and valid set of keys, you must dump them from your own Nintendo Switch using Lockpick_RCM through the Hekate payload. Thus, any "prodkeys correct 2021" claiming to work
: Check the properties of your game files (NSZ/NSP). If they are marked as "Read-only," deselect this option, as it can cause decompression failures in SAK. If you used an outdated version of SAK
If you haven't updated your console (or the keys) in a while, you might be missing the required for newer games. For example, if you are trying to convert a game requiring Key 17, but your key file only goes up to Key 12, SAK will fail.