Download the latest release of and Lockpick_RCM from their official GitHub repositories.
A small plastic tool used to short pin 10 in the right Joy-Con rail, forcing the console into Recovery Mode.
Hold the button, then press the Power button. The screen should remain completely black. If the Nintendo logo appears, turn it off and try again. Connect the Switch to your PC using the USB-C cable.
| Error Message | Likely Cause & Solution | | ------------------------------ | ------------------------------------------------------------------------------------------------------------------- | | | Cause: Missing or incorrectly placed prod.keys . Fix: Double-check that the file is named prod.keys (not .txt ) and is in the correct system (Ryujinx) or keys (Yuzu) folder. | | "Crypto Revision Error" | Cause: Your prod.keys are out of date and don't support the game or firmware you are trying to use. Fix: Dump or download the latest version of prod.keys that matches your firmware. | | Game Crashes at Main Menu | Cause: Missing firmware files, especially common in Yuzu. Fix: Ensure you have installed the firmware. If using Yuzu, consider switching to Ryujinx which requires it by default. | download bios nintendo switch
These files contain the digital signatures and decryption keys required to read encrypted Switch game cartridges and digital downloads.
Emulators like Ryujinx need these files to mimic the actual console and run games on a PC.
Click on in the top menu bar, then select Open Ryujinx Folder . Locate the folder named system . Download the latest release of and Lockpick_RCM from
: For enthusiasts looking to expand their console's capabilities, custom firmware can offer significant enhancements, including homebrew applications.
Nintendo uses robust, multi-layered encryption to protect its intellectual property and prevent software piracy. Emulators are built entirely from scratch using reverse-engineered code; they do not natively contain any of Nintendo’s copyrighted intellectual property.
These files contain the cryptographic keys required by the emulator to decrypt and run your retail Nintendo Switch games. The screen should remain completely black
Never download pre-packaged BIOS/firmware from unknown sources. Always dump from your own Switch.
An RCM jig and a USB-C cable to connect the Switch to your PC.
To download the "BIOS" (system firmware/keys) for a Nintendo Switch, you must dump them directly from your own hardware. Downloading these files from the internet is considered copyright infringement and violates the Nintendo Terms of Service. Legal & Safety Overview