N-sl Wireless Controller Firmware - Update

N-SL Wireless Controller is a third-party peripheral compatible with the Nintendo Switch. Because it is not an official Nintendo product, updating its firmware typically requires a PC-based executable file rather than the console's built-in system settings. Firmware Update Procedure

: With the controller off, press and hold the L3 (left stick) button while plugging it into your PC via a USB-C data cable. n-sl wireless controller firmware update

Ensure your Switch has the latest system update by going to System Settings > System > System Update . n-sl wireless controller firmware update