nrfConnect - DFU Option not shown but DFU Service is running

[AD1170]

Hello,

i try to use the nrfConnect (PC version) to update my devices via DFU. The DFU service is running on the device (update with Andoid nrfToolbox works without any problems). But the nrfConnect SW does not show the DFU Button. Whats going wrong?

Thanks!

[Hung Bui]

MCP should work with any nRF51 and nRF52 DK. Could you try with the DK ?

nRFConnect doesn't support legacy DFU.

Note that the DFU code that MCP uses is written in python and you can see and use the source code inside C:\Program Files (x86)\Nordic Semiconductor\Master Control Panel\3.10.0.14\lib\nordicsemi\dfu .

You may think of using the python code directly.

[AD1170]

Sorry, i have clicked the wrong link. I would not convert your comment to an answer but it can not be undone... Which connectivity firmware should be used for the MCP with nRF51DK or nRF52DK? I have tried with the build in master emulator and nrf51DK but this dont work. The bootloader at my device is started but the upload does not start. Message: "Error during firmware upload. Data could not be send - failed!", the Log contain a message "Failed to reopen transport backend.". If this work, than i need some hints how to call the python script for a PC controlled update via a CMD file or script file.