https://devzone.nordicsemi.com/f/nordic-q-a/8192/downloading-softdevice-and-application-using-sdk-from-linux-system-to-nrf51822-yunjia-boardhi , I am trying to download the softdevice(v8) and cross compiled application(using makefile in nrf51822 sdk v6) from my Linux PC using JLinkExe. following is the memory layout of my softdevice : following steps show how i downloaded the softdeviceen-USTelligent Community 13Wed, 15 Jul 2015 13:51:04 GMThttps://devzone.nordicsemi.com/thread/29455?ContentTypeID=1Wed, 15 Jul 2015 13:51:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a4ae6f8b-f674-4c51-82ae-41c7f349db1fakhil<p>thank you for the thread regarding the application code base address.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/29454?ContentTypeID=1Wed, 15 Jul 2015 12:27:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0f4fa270-965b-4c1c-8b70-b624e2b79714Stian R&#248;ed Hafskjold<p>You can flash the softdevice directly using loadbin in JLinkExe:</p> <pre><code>loadbin s110_nrf51_8.0.0_softdevice.hex 0x0 #flash in address location 0 </code></pre> <p>Since you are using softdevice 8 the application should be flashed to location 0x18000. This is documented in the softdevice specification: <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.110.sds.v1.0.0/s110.html?cp=2_7_0">infocenter.nordicsemi.com/.../s110.html</a> In section 11.2 &quot;Memory resource map and usage&quot; (<strong>APP_CODE_BASE</strong>)</p> <pre><code>loadbin application.hex 0x18000 #flash in address location 0x18000 </code></pre> <p>Check out <a href="https://devzone.nordicsemi.com/question/43992/upload-hex-on-nrf52-in-makefile/">this thread</a> to see how to make a script that erase and flash SD and app (this is for nRF52, so just change device to nrf51822 and app address to 0x18000)</p><div style="clear:both;"></div>