Introduction
If your controller(s) malfunction, you can replace the circuit boards. You only need a Phillips #1 screwdriver.
Tools
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With the controller on its face, remove the five 6 mm Phillips #1 screws.
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After removing the screws, carefully lift the controller casing .
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Pinch the top and bottom of the shoulder buttons and lift them out.
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Below each shoulder button, there are small elastic pads. To remove them, pinch the pads and slide them out.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
