https://devzone.nordicsemi.com/f/nordic-q-a/42263/nrf52832-serial-dfu-mode-implementation-procedure-in-nrfutil-applicationHi all, We are using nrf52832 board in our product. We used serial dfu method to upload the bootloader. Its done with help of nRFgoStudio application. We want to know the detail procedure to implement in our code. Please provide the information. en-USTelligent Community 13Wed, 09 Jan 2019 09:54:10 GMThttps://devzone.nordicsemi.com/thread/164659?ContentTypeID=1Wed, 09 Jan 2019 09:54:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ffadb9bb-6171-4123-a793-d0b4bf421dccEinar Thorsrud<p>Hi&nbsp;<span>Basavanagouda,</span></p> <p><span>We do not have an official C implementation for the DFU master, so you have to implement that yourself.&nbsp;</span><span>The DFU protocol is documented <a href="https://www.nordicsemi.com/DocLib/Content/SDK_Doc/nRF5_SDK/v15-2-0/lib_dfu_transport">here</a>, and you can refer to this unofficial&nbsp;partial implementation (<a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-e36be2beecdc47c28fcae3f2e5af9839/nRFutil_5F00_C_5F00_code_5F00_4eed9ea.zip">devzone.nordicsemi.com/.../nRFutil_5F00_C_5F00_code_5F00_4eed9ea.zip</a>) as well as the various implementations on <a href="https://github.com/search?q=org%3ANordicSemiconductor+dfu&amp;unscoped_q=dfu">GitHub</a> (Python, JavaScript, iOS and Android).</span></p><div style="clear:both;"></div>