From the Switch Home Menu, select System Settings (the gear icon).
If you are using a Pro Controller (which uses a similar firmware base to Joy-Cons):
The community is currently working on for the N-SL chipset (often based on the WCH CH582 or Nordic nRF52840). This will allow:
: Once the PC recognizes the device, the update button in the software will become clickable. Click it and wait for the "Update Success" message. Troubleshooting Common Issues Controller Not Recognized n-sl wireless controller firmware update
If the controller behaves strangely, it might need to be "re-paired." Go to System Settings > Controllers and Sensors > Disconnect Controllers , then pair it again.
It's likely a generic reference design. Use the "Generic Gamepad Firmware Flasher v3.0" – it works on 90% of these.
The N-SL Wireless Controller Firmware Update feature enables users to update the controller's internal firmware wirelessly via a host application (PC or Mobile). This ensures that users receive the latest performance optimizations, bug fixes, and new features without needing to return the device or use wired connections (unless required for recovery). From the Switch Home Menu, select System Settings
Use a data-transfer cable, not a charge-only cable.
: If your controller still won't connect after an update, go to System Settings Controllers and Sensors Disconnect Controllers to purge old pairing data and start fresh. The "Sync" Fix
If you are ready to update your specific device, I can help you find the exact steps if you tell me: The and model number of your controller? Do you have access to a Windows PC or a Mac ? Click it and wait for the "Update Success" message
Yes. Always back up your custom profiles (if your model supports software profiles). Turbo settings usually revert to default.
Summary
While continuing to hold that button, plug the USB cable into your computer, then plug the USB-C end into the controller. Step 4: Execute the Firmware Flash
supports standard Switch updates, you can use the built-in system tool. Connect your N-SL controller to the Nintendo Switch via Bluetooth or USB cable.
program. You’ll notice the "Update Firmware" button is initially grayed out. Connect to PC Hold the L3 button (press down on the left analog stick).