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How to Flash Firmware of ELRS RX/TX

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  • Kevin Wgl


    I try to flash my RX via Betaflightpassthrougt, and i have this message :

    A fatal error occurred: Failed to connect to ESP8266: Invalid head of packet (0x38)
    *** [upload] Error 2

    The led flash slowly and i dont see any wifi from the RX. Did i something wrong?

  • Kathy

    @Kevin Wgl 

    Hi Sir,
    The article about "How to Flash Firmware of ELRS RX/TX" has been updated. Please check it and try again.
    If it still fails to work, welcome to submit a support ticket to get help. Create a new ticket
    Please attach a video about your operation when you open a ticket. Hope that can help you.

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