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It can fix some problems on the RGB pro controller. If one doesn’t work, please try another one.
1. open the update program on your computer.
2. Turn off the controller.
3. Press and hold the left joystick, connect the controller to your computer with a USB cable.
4. When confirming button of the upgrade program lights up, then go off the left joystick.
5. Click the Update Firmware button to complete the upgrade.