Mismatch between the keys version and the installed firmware.
Your prod.keys must match or exceed the version of the firmware your game or emulator is running. For example, using Switch prod keys 14.1.2 means you can only decrypt games and updates released up to system version 14.1.2. switch prod keys 14.1.2
If you attempt to play a newer game that requires higher firmware capabilities (e.g., Firmware 19.0.0 or 20.0.0) while using version 14.1.2 keys, the emulator will fail to launch the game and show a decryption error. 🛠️ How to Safely Extract Keys from Your Console Mismatch between the keys version and the installed firmware
Once you have dumped your prod.keys , you can apply them to your PC or mobile device to run your legally backed-up games. Setting Up Ryujinx Launch on your computer. If you attempt to play a newer game
Once the process finishes, power down your Switch, insert the MicroSD card into your PC, and navigate to the /switch/ folder on the root of your card. You will find your freshly dumped prod.keys and title.keys . 💻 Installing Keys in Your Emulator
Game-specific keys required to decrypt specific game content.