https://devzone.nordicsemi.com/f/nordic-q-a/12281/nrf51822-s130-2-0-0-7-alpha-bare-minimum-bootloader-which-starts-app-at-0x1b000Hello. I&#39;m investigating how bootloader works (bare minimum), especially how it brings control to an application (already flashed at 0x1B000, s130 SoftDevice also present in flash). I do the following: Flash s130 2.0.0-7.aplha SoftDeviceen-USTelligent Community 13Wed, 31 Aug 2016 14:51:51 GMThttps://devzone.nordicsemi.com/thread/46427?ContentTypeID=1Wed, 31 Aug 2016 14:51:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4e5df17f-5ea3-41d8-8c85-0f78c1083dd5Miguel<p>Hello Alex, very nice post. I was having problems with the SDK DFU examples, none was working. But yours works well. How did you manage to perform a DFU with this code?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/46426?ContentTypeID=1Wed, 02 Mar 2016 14:14:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97de20dc-02f6-471a-90f1-e86babfec364Alex Pristenskiy<p>Yahooooooooooooo!!!! Problem solved! :-)</p> <p>I forgot to initialize SoftDevice vector table and thus call to sd_softdevice_vector_table_base_set() calls empty bootloader&#39;s SVC_Handler.</p> <p><a href="http://pastebin.com/H6VEymZg">http://pastebin.com/H6VEymZg</a> - working example of bare minimum bootloader which only starts application at 0x1B000</p><div style="clear:both;"></div>