Select the option labeled Dump from SysNAND (or EmuNAND if your custom firmware operates entirely on an SD card partition). The tool will automatically cycle through the console's internal key slots.
Update your physical Nintendo Switch console to the latest system firmware, re-run Lockpick_RCM , and dump the updated keys to replace your old ones in Yuzu. 3. Missing DLC or Updates
Report: Yuzu Product Keys ( Product keys, or , are essential decryption files required by the emulator (and its successors like
Choose the "Dump keys" option. This will generate a prod.keys file on your SD card, usually in the /switch/ folder. Transfer: Move the file from your SD card to your computer. yuzu prod keys
: By not providing the keys with the software, developers ensure they are not distributing copyrighted Nintendo property. The Yuzu Shutdown
While the original Ryujinx emulator was shut down by its developer following legal pressure, its source code was available and has since been forked into new projects. The most notable of these is , a community-maintained fork that continues to receive updates and improvements. For many users, this has become the de facto successor to the original Ryujinx.
: The emulator searches your prod.keys file for the corresponding cryptographic string. Select the option labeled Dump from SysNAND (or
Ultimately, production keys represent the strict boundary where hardware security, software engineering, and copyright law intersect. Understanding how they function highlights the immense complexity involved in preserving and emulating modern video game hardware.
: If found, Yuzu decrypts the game assets into system memory.
Update your physical Nintendo Switch console to the latest firmware, reboot into Lockpick_RCM, and perform a fresh dump to get the newest keys. Paste the new files over your old ones in Yuzu. 2. Games Showing Up as 0 Bytes or Failing to Boot Transfer: Move the file from your SD card to your computer
To avoid legal issues, emulator developers do not include these keys within the software. Distributing copyrighted decryption keys is a violation of Digital Rights Management (DRM) laws in many regions. Therefore, Yuzu requires users to provide their own keys sourced from their personal hardware. How to Get Your Prod Keys
Paste your prod.keys (and title.keys if you have them) into this folder. Restart Yuzu to apply the changes. Common Issues and Errors
The prod.keys format has evolved alongside the Switch's firmware. The table below outlines the evolution of the keys and their relationship to Nintendo's console updates:
: To remain legal under laws like the DMCA, emulators generally require users to "dump" (extract) these keys from their own physical Nintendo Switch console. Anti-Piracy
When setting up Yuzu, you generally need two distinct key files: