Flashing nrf52 over ble via script

[QuickSilver]

Is there a script with which I can flash a nrf52 directly over Bluetooth. I tried to use "nrfutil.exe dfu ble -ic NRF52 -a mac_address" but it requires a board to be connected via serial port which is very confusing. I guess there is a way to flash a nrf52 over Bluetooth using a pc in cmd or python, but I can't find it. I found scripts that use the pc as dfu controller but they are all for linux only. I basicallly need to do step 8, 9 of Implementing Over-the-Air Device Firmware Update for nRF52 - Part 3 - Novel Bits with a script on my windows pc.

[Hung Bui]

Hi QuickSilver, 

We currently don't have an example for doing that. What you need to do is to look into the documentation of the DFU protocol and write the software based on that. 
Please have a look at this similar case: https://devzone.nordicsemi.com/f/nordic-q-a/77324/dfu-without-nrf-connect-pc-ble-driver

[QuickSilver]

Okay thank you,

but I am still confused about what nrfutil.exe dfu ble does?

[Hung Bui]

Hi, 

It requires a nRF52 DK or Dongle to use as the BLE backend for nrfutil. You can't use nrfutil.exe with the native BLE chip on the PC.