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Simply solder it to back of the analog stick solder points
and plug the controller ins a PC or MAC
and head over to https://gamepad-tester.com/
once the controller is recognized by your Operating System
and adjust the 2 Potentiometers one Flex PCB to bring the Dead Zone back to center
and close up your controller and it’s as good as new.
Compatible with:
PS4,PS5, XBOX ONE, XBOX Series S/X and Switch pro.