https://devzone.nordicsemi.com/f/nordic-q-a/10184/fota-nrf51dkHy world, I can update my device with FOTA, but the first time i do: 1 I put: &quot;ble_default_bootloader.hex&quot; on board; 2 i open nrfMasterControlPanel app 3 i write characteristic 0x03 4 the device change name into DFU_TARG 5 i put (new file.hex +en-USTelligent Community 13Wed, 11 Nov 2015 14:23:48 GMThttps://devzone.nordicsemi.com/thread/37763?ContentTypeID=1Wed, 11 Nov 2015 14:23:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e8fc3540-c27b-4e9d-a17e-8fbda3f166b8Epasta<p>yes, is correct, i would like to flash (bootloader+softdevice+application) all able for foot in production Tanks Regardes</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/37762?ContentTypeID=1Wed, 11 Nov 2015 14:17:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:de512e06-7d22-4987-a3cc-41d2e394c911Vidar Berg<p>Hi, correct me if I am wrong, but do you want to flash bootloader+softdevie+application in production? In that case, please have a look at this <a href="https://devzone.nordicsemi.com/blogs/685/common-faq-on-dfu/">blog post</a>, question E.</p><div style="clear:both;"></div>