https://devzone.nordicsemi.com/f/nordic-q-a/82896/api-to-reboot-nrf52840i was working on nRF52840 and nRF9160 with NCS v1.8.0. i&#39;d like to find an API to reboot system. so i tried to call NVIC_SystemReset(). it works in my nRF9160 project. however, when i call it in my nRF52840 project it reports errors during buildingen-USTelligent Community 13Mon, 20 Dec 2021 12:35:54 GMThttps://devzone.nordicsemi.com/thread/344353?ContentTypeID=1Mon, 20 Dec 2021 12:35:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:808de0d4-fe13-426e-88c8-35a4d9ef4263Hung Bui<p>Hi Peter,&nbsp;<br />Have you tried to :&nbsp;</p> <p>- Add&nbsp;<span>CONFIG_REBOOT</span><span>=y</span></p> <p><span>- Add&nbsp;</span><span>#include</span><span> </span><span>&lt;power/reboot.h&gt;&nbsp;</span></p> <p><span>- And call&nbsp;</span><span>sys_reboot</span><span>(</span><span>0</span><span>); to reset the chip ?&nbsp;</span></p><div style="clear:both;"></div>