https://devzone.nordicsemi.com/f/nordic-q-a/16329/dfu-py-with-nordic-nrf51822Hi, I want to do the application DFU with nrf51822 in Python. The application code I use is dfu_test_app_hrm_s130.zip in nRF51_SDK_10.0.0 As I know, the .bin file is the application and the .dat file is init file. For example, I sent the commandsen-USTelligent Community 13Mon, 12 Sep 2016 09:20:06 GMThttps://devzone.nordicsemi.com/thread/62404?ContentTypeID=1Mon, 12 Sep 2016 09:20:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2c935944-6474-4345-8844-cf12ec821c3bbjorn-spockeli<p>When you send the commands to the device, is it running an application with DFU support or is it just the bootloader?</p> <p>We do provide a python based pc tool for performing DFU, <a href="https://github.com/NordicSemiconductor/pc-nrfutil/tree/0_5_2/">nrfutil</a>. I recommend that you take a look at the python DFU scripts in our nrfutil Github repo, found <a href="https://github.com/NordicSemiconductor/pc-nrfutil/tree/0_5_2/nordicsemi/dfu">here</a>.</p><div style="clear:both;"></div>