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How do I find my device's serial number?

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1 comment

  • Sstevenns7

    I updated the firmware on my UMAY REST SN ANNAAB1 yesterday, March 18.  
    Now it cuts off after 3 blinks in white mode.

    Its 96% charged according to the app.

    How do I fix this?

    This is urgent. I depend on the machine to control my dry eye.

    0

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