Update log:
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2019-05-18  N30+F30_Firmware_V4.20

1. Fixed input lag issue with playing SUPER SMASH BROS.
2. Fixed the pop-up window error when using amiibo.

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Update instruction:
1. Press and hold L+R+START buttons on the controller to put it on its update mode. LEDs on the top will blink in red.
2. Connect the controller to your Windows or macOS via the USB cable.
3. Click on "USB Update" on your device, search for Firmware.dat in the pop-up window and run it.
4. Un-plug the controller when the upgrade process is done, then restart it before using. 