Answer

Please run gamepad calibration to fix it.

1. Unplug gamepad from PC, power it off by pressing view + B button for more than 3 seconds (LED will turn off)

2. Hold view + dragon + down button to enter calibration mode (LED flashes yellow and purple repetitively)

3. Start cablibration

- press A button

- rotate left/right thumbsticks along the outer edge for 3 full circles

- set 2-level trigger locks towards middle and pull/release both triggers through their full range 3 times

- press A button again to confirm calibration (vibration feedback)

Sucess: LED indicator turns yellow

Failure: LED indicator turns purple

Gamepad will exit cablibration mode after 2 seconds once completed