Nintendo has released a brand new update for the system’s Joy-Con controllers that’s available to manually download on your Nintendo Switch console in System Settings. Here’s how you can update your Joy-Con controllers:
1. Select the System Settings on the HOME Menu.
2. Scroll down through the System Settings menu and select Controllers and Sensors.
3. Select Update Controllers, to start the controller update process. Please note that this will only update any Joy-Con controllers that are connected to the Nintendo Switch console.