https://devzone.nordicsemi.com/f/nordic-q-a/65472/nrf9160-gpio-wakeup-from-system-offHi! I&#39;m trying to get a basic example to show the 9160 going into the System Off mode and then waking up when a button is pressed. However I have not been able to get the button to pull the chip out of the Off state. My example looks like this currentlyen-USTelligent Community 13Wed, 02 Sep 2020 19:30:49 GMThttps://devzone.nordicsemi.com/thread/267701?ContentTypeID=1Wed, 02 Sep 2020 19:30:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4ed15e84-b867-4e33-afe7-8061a053e7dbDevinCallahan<p>My example is copied directly from that source actually.</p> <p></p> <p>I figured out my issue was the PULLUP on the button pin was causing issues.</p> <p></p> <p>Thank you!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/267594?ContentTypeID=1Wed, 02 Sep 2020 10:30:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ed747d3f-36ed-464a-b171-8fd02c382894Sigurd<p>Hi,</p> <p>This is e.g. shown in the&nbsp;serial_lte_modem application, with the function&nbsp;<span>enter_sleep() , see <a href="https://github.com/nrfconnect/sdk-nrf/blob/v1.3.0/applications/serial_lte_modem/src/main.c#L95">this link</a>.</span></p><div style="clear:both;"></div>