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    820-00840 X in battery icon [LIQUID DAMAGE]

    Hello, I have an A1708 with an 820-00840 logic board. This came in with liquid damage and initially, it did not start at all. I cleaned the corrosion best I could with the trusty toothbrush and alcohol and now it starts but the battery icon has an X in it. The closest video I could find on...
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    Charging Diagnostic Fee when the device is found to be perfectly fine.

    I run a drone repair business. We don't charge a diagnostic fee to see what is wrong with their drone. The diagnostic fee is applied to the final price. 97% of the time something is wrong from the crash and we quote them a price to fix it and most of the time they go through with it. The...
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    Broken solder joints on flight controller for DJI Phantom 3 Pro

    Hi, I am working on repairing a DJI Phantom 3 Pro. After opening up and diagnosing the drone I have found that the solder joints that connect the flight controller to the rest of the board have been separated. The flight controller board is separate from the main board and is housed in the...
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