Introduction
If your Flydigi Vader 4 Pro's thumbstick feels too loose, too tight, or inconsistent during movement, this guide can be used to replace the tension adjustment ring. The tension adjustment ring is located at the base of the thumbstick and controls the resistance of thumbstick movement. Because it directly affects stability and precision, a loose or damaged ring can result in poor control during gameplay.
What you need
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Remove the four 10 mm screws on the rear case using a Phillips #0 screwdriver.
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Insert an opening pick into the seam between the rear and front case.
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Pry around the perimeter of the controller.
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Remove the rear case and set it to the side of the front case, with care not to strain the connected cable.
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Disconnect each of the two vibration motor connectors.
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Remove the vibration motors.
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Remove the seven 10 mm screws securing the mainboard using a Phillips #0 screwdriver.
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Ask FixBot
To reassemble your device, follow these instructions in reverse order.
Team
Utah Tech University, Team 1-2, McMurrin Spring 2026 Member of Utah Tech University, Team 1-2, McMurrin Spring 2026
UTAHTECH-MCMURRIN-S26S1G2
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