No, the save file itself cannot harm your console hardware. However, if the save file contains invalid data (e.g., impossible Pokémon stats), the game may crash or display corrupt data warnings. Always source saves from reputable community members.

Open Checkpoint or JKSV and back up your existing data first. Never skip this.

This subscription service automatically backs up compatible game data to the cloud. You can download your own high-quality progress onto a secondary Switch signed into your account.

When searching the web for terms like players are often looking for secure ways to back up their progress, transfer files to a new console, or recover lost data.