how to achieve usb dfu in the mac os？

[pipixia_8_8]

Hi, my device need be ota to update fw by usb in mac os, the chip is nrf52840，and i download the nrfutil-mac ,i execute the dfu in the mac os fail，but in the  windowns  success，the log like this in the mac os.

and the step i operate im sure it can be achieve，because i dfu success before

so ，i dont know how to achieve dfu by usb in mac os？

   

[Vidar Berg]

Hi,

Please try to upgrade your pyserial package and see if that helps. E.g. $ python3 -m pip install -U pyserial