Below Is the step by step guide to update the firmware for your controller. Please note, this software is NOT to be distributed and is only available for private use.
0. Open the extracted software
1. Hold down the left Analog stick while plugging in the controller to your pc, continue holding till the software says “ONLINE”
2. Once online, release the left analog stick and download the firmware.
3. Unplug the controller.
4. Hold down the 3 middle buttons under the screen (Share, Pause, Menu) and plug the controller in, wait till the animation on the screen finishes and ends on the Xbox logo.
5. Release the 3 buttons
6. Press A
7. Press A again
8. Unplug the controller
9. Plug it back in.
10. Test the controller on the following website
https://gamepad-tester.com/
After doing the following, your dead zone on the trigger should be pretty low, but the phantom presses should be gone. Here is how to recalibrate the deadzone, no software is needed for this, but it will need to be plugged into a PC.
1. Plug in the controller while holding down the 3 middle buttons under the screen (Share, Pause, Menu) and plug the controller in, wait till the animation on the screen finishes and ends on the Xbox logo.
2. Press A
3. Rotate the left stick in a circle, followed by the right stick. (IMPORTANT DO EACH STICK ONE AT A TIME)
3. Press in the left trigger 3 times, followed by the right trigger. (IMPORTANT DO EACH TRIGGER ONE AT A TIME)
4. Press A again
5. Unplug the controller
6. Replug the controller and check on
https://gamepad-tester.com/