https://devzone.nordicsemi.com/f/nordic-q-a/23654/thread-bootloader-not-booting-into-thread-app-thread-0-10-sdkI noticed that when upgrading to the latest Thread SDK that my devboard stopped booting. I was following the instructions as per the documentation but noticed that my user application stopped booting. I was following the instructions to the tee includingen-USTelligent Community 13Fri, 21 Jul 2017 10:40:20 GMThttps://devzone.nordicsemi.com/thread/92976?ContentTypeID=1Fri, 21 Jul 2017 10:40:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0fdb9888-1498-498a-8391-854d8bac54eaHung Bui<p>Hi Jared,</p> <p>Thanks for reporting.</p> <p>I assume the documentation about the Bootloader was for the nRF52832. The nRF52840 is still not in production yet. The list of supported devices (which has nRF52840) of the nrfutil can be found <a href="https://github.com/NordicSemiconductor/pc-nrfutil">here</a>. Please look for &quot;--family&quot;</p><div style="clear:both;"></div>