phantom 3 pro firmware update issues

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    Firmware Update P3P 10.9 HELP!?

    Can't seem to get it to stick...SD card was cleared, firmware added to root directory, insert into P3P and turn on, runs full battery out with nose lights solid red, tail lights blinking red and green and 2 constant, never ending 'beeps' (really the screech screech sound, not a beep like when it...