If you must use your modded environment, ensure your console cannot communicate with Nintendo's servers. Use tools like or the built-in Atmosphere DNS MITM configuration to block all outgoing telemetry data to Nintendo while leaving your local internet connection active. Summary: Spotting Verified Tools vs. Scams
Overwrite the original progress.sav on your SD card with the modified one. Return the SD card to the Switch. Open JKSV, highlight your save, and press A to "Restore." Choose Edit_Test .
Modifying save files triggers corporate security flags if done carelessly. Nintendo actively scans data when your console connects to their servers. To protect your hardware and account, memorize these rules:
Launch the game to verify that the changes took effect. It is highly recommended to perform this initial test while the console is completely offline or in Airplane Mode. How to Avoid a Nintendo Console Ban
To use a verified save editor, your console must be capable of running Homebrew software. This requires either an unpatched V1 console (vulnerable to the Fusee-Gelee exploit) or a newer console (V2, Lite, or OLED) fitted with a hardware modchip. Step 1: Verified Save Managers (The Extraction Tools)
As of May 2026, no Switch 2 save editors are available. Any such claims are considered fake.