https://devzone.nordicsemi.com/f/nordic-q-a/69546/reduced-power-consumption-causes-unexpected-resetsHi! We are working with the nrf5340 on a custom board and we are trying to reduce its power consumption to the minimum possible. We have a beacon advertisement application started just like in the sdk sample and a main while loop. In this loop we haveen-USTelligent Community 13Wed, 16 Dec 2020 15:58:15 GMThttps://devzone.nordicsemi.com/thread/285420?ContentTypeID=1Wed, 16 Dec 2020 15:58:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ed9c330-b0c4-4fdb-ad44-70ce0b0df7e7Kenneth<p>You should not be calling _WFE, please take a look at this thread:<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/65959/how-to-enter-system-on-sleep-in-zephyr/269893#269893">https://devzone.nordicsemi.com/f/nordic-q-a/65959/how-to-enter-system-on-sleep-in-zephyr/269893#269893</a></p> <p>Make sure to set&nbsp;<span>CONFIG_SERIAL=n in prj.conf</span></p> <p><span></span></p> <p><span></span></p><div style="clear:both;"></div>