Introduction

If your Kindle Fire HD 8 12th gen is having issues charging, but you know your battery is healthy, try using another cable. If no cable works then this may be caused by a faulty USB port. To replace the USB port, follow these steps below.

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    • Unplug the charger, power down the device, and remove the SD card before beginning.

    • Insert an opening pick into the seam between the rear case and the screen assembly.

    • Slide the opening pick around the perimeter, prying periodically, until the screen assembly begins to release.

    • Insert an opening tool into the gap you created, and continue to pry periodically around the entire perimeter until the screen assembly fully releases.

    • Be patient and don't pry too hard in any specific place. Excessive force may cause damage to the device.

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    • Remove the rear case.

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    • Use an opening tool to lift the battery connector until it disconnects.

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    • Gently and slowly grip and pull the three white adhesive tabs that secure the battery until they fully release.

    • The adhesives are marked with a black flap with a white adhesive. You will know it has been successfully removed when you can move the battery around.

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    • Gently pry around the entire perimeter of the battery with an opening tool until the adhesive releases.

    • Remove the battery.

    • Take care not to bend or puncture the battery while prying the battery.

    • Clean under the old battery and insert a new battery with adhesive to ensure the battery stays in place.

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    • Desolder the speaker motherboard connections.

    • Soldering can cause burns and fires. Always solder in a well-ventilated workspace.

    • Lift the speaker up and out of the chassis.

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    • Lift the black ZIF locking flap.

    • Disconnect the orange ribbon cable.

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    • Remove all of the Phillips screws that secure the motherboard.

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    • Once the motherboard is fully disconnected from the device lift the motherboard out of the chassis with an opening tool.

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    • Desolder the USB port.

    • Remove the orange film.

    • Soldering is can cause fires and burns. Always solder in a well-ventilated area.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Alan Alejandro Ramos Avalos

Member since: 05/02/24

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