must match or exceed the version of the firmware you have installed in Ryujinx. For example, if you use Firmware 21.0.0 , you must also have v21.0.0 Prod Keys
: Copy and paste your prod.keys and title.keys directly into this system folder. ryujinx prod keys 21
If you try to run a game that requires firmware 21.0.0 using older prod keys (e.g., version 18, 19, or 20), Ryujinx will either: must match or exceed the version of the
: Mimic the console’s hardware security module to provide a compatible environment for retail software. Technical Evolution: Version 21.0.0 Technical Evolution: Version 21
As of April 2026, is officially defunct after Nintendo reached an agreement with its lead developer to cease the project in October 2024. While the original emulator is no longer receiving updates, the community has transitioned to various forks and successor projects to maintain compatibility with newer Nintendo Switch firmware. Current Firmware & Key Status