A5000 Joystick Issue

[akahky]

Hello All,
     I am facing an issue with A5000 joystick, it does not return to 0 position modulation if I move it slowly, but if I released it, it will return to 0 position vertically, the same issue is described in that video:
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there is also a comment about solution to that problem using joystick calibration,
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Have you faced this issue and how did you fix it?

can someone describe the detailed steps to do the joystick calibration?