For detailed setup instructions, you can refer to the official NSC Builder GitHub repository or community guides on Reddit's SwitchPirates Do you need help dumping the keys
: Essential for decrypting system and game updates for specific firmware versions.
Note: Alternatively, you can place the file in the root folder of NSC Builder, but placing it inside ztools ensures all backend command-line tools can see it instantly. How to Use NSC Builder: Common Workflows nsc builder keys.txt
Note: Ensure your Windows settings do not accidentally name it keys.txt.txt by hiding file extensions. Step 2: Place it in the Target Directory
I can provide targeted troubleshooting steps based on your setup. Share public link For detailed setup instructions, you can refer to
Even with a valid keys.txt, users encounter errors. Here is a debugging guide:
"Failed to parse NSP – missing key generation" "Unable to locate key in keys.txt" Step 2: Place it in the Target Directory
As of 2025, NSC Builder remains in semi-active development (last major build 1.01). The tool’s dependency on keys.txt is not likely to change, but future Switch firmware updates may introduce new key generations (e.g., AES-MAC changes). Always use the latest Lockpick_RCM payload to re-extract keys after a system update.
You are trying to patch a brand-new game or update using an outdated version of NSC Builder or old keys.