This is the #1 reason keys fail. Your keys the firmware version required by the game you are trying to play.
C:\Users\[YourName]\AppData\Roaming\Ryujinx\system Summary Checklist To ensure your keys are correct, verify these three things: are the keysdatprodkeys correct
The file must be named exactly prod.keys (no .txt at the end). This is the #1 reason keys fail
Does the key version match the game's release date? are the keysdatprodkeys correct
This guide clarifies everything you need to know about and title.keys files, specifically addressing the common question: "Are these keys correct?"
To understand if your keys are "correct," you first need to know what they do. These files are digital decrypters: