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Unable to run BLE samle on my nRF52840 dongle using nrf connect desktop application

nagesh.shamnur

i have nRF52840 Dongle (PCA10059) and when i connected the dongle and opened nrf connect SDK application and tried to run BLE, then i am getting the following error. Kindly let me know how to fix this issue. Thanks.

"ERROR Failed to setup device: Error message for known response code from DFU target: Opcode unknown or not supported."

""

Note: i have pressed the reset button so that my dongle so that it enters DFU mode and red LED is blinking.

  • 0

    Hi Nagesh

    Do you get the prompt that the "Device must be programmed, do you want to proceed?" Here you need to press Yes in order to proceed, as that is how you flash the device with the BLE connectivity firmware used to communicate with the nRFConnect BLE app.If you decline this, you won't be able to start the BLE app.

    Best regards,

    Simon

  • 0 in reply to Simonr

    Hi Simon,

        Thanks for the reply. Yes, i have got the prompt as mentioned by you. Inspite of pressing yes, i am getting this error.

  • +1

    Hi

    I've not had this issue myself, but according to one of my colleagues this device programming is somewhat unstable on the Dongle. Try unplugging it and putting it back into the computer before trying again. It should work eventually. 

    You can also try to recover the Dongle as stated in our Dongle Programming tutorial to see if that helps. I have also reported this internally so we can get to the bottom to what the problem is on our side.

    Best regards,

    Simon

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