Introduction
I posted another tutorial on Teufel Airy Headphone Speaker Cable Replacement (right). Somebody asked how to replace the battery located on the left side.
Turns out just days before they asked, the left speaker went out and I had to open it. Seriously, if you have a choice, don’t buy these headphones. The wires they used are prone to chafing.
What you need
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Unlatch hooks all around the left casing (three on each side)
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Carefully lift cover, fold it over and tape it to the head piece to get it out of the way. The NFC antenna is glued to the cover. Two wires connect it to the bundle.
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Pry battery out w/ a spatula. You'll gain access to the speaker cables and can unsolder and replace the battery, if needed.
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In case you need to get to the speaker, see https://de.ifixit.com/Anleitung/Teufel+A... for details.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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