Introduction
Headphones not powering on? It may be caused by the charging port malfunctioning, which may cause the headphones to not charge, making them unusable. Here's a guide to replace it! All you need is a Phillips #000 screwdriver, a soldering iron, and an iFixit opening tool.
Tools
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Pull apart the bronze speaker away from the headphones carefully to reveal the wiring.
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Desolder the motherboard speaker connection.
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Remove the .5mm screw on the headphone jack circuit board that is covering the charging port.
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Conclusion
To reassemble your device, follow these instructions in reverse order.