What you need
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Squeeze the plastic opening tool between the black plastic and foam pad on non mic side and then pry upwards to remove the felt pads covering the speaker.
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Use a soldering iron to desolder the black and yellow wires from the two metal plates near the bottom of the device.
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Use a soldering iron to desolder the 13 wires in rows along the left and bottom sides of the headset motherboard.
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Lift the motherboard out of the headset and gently disconnect the gray wires from the motherboard.
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