https://devzone.nordicsemi.com/f/nordic-q-a/75998/nrf52840-and-nrf5340-power-consumption-comparisonComparing Current Consumption Between NRF52840 and NRF5340 Loading Zephyr HR sample code on both. Connected to each using NRF connect and subscribed to HR UUID. Measured the current using power Profiler. Average Current for NRF52840 was 690uAen-USTelligent Community 13Mon, 07 Jun 2021 10:06:02 GMThttps://devzone.nordicsemi.com/thread/313875?ContentTypeID=1Mon, 07 Jun 2021 10:06:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5218f528-4085-4a0b-be0d-e0a654f0d52eMantasPrevayl<p>Solved. Now the current is 100 uA</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/313661?ContentTypeID=1Fri, 04 Jun 2021 12:26:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a98c3b4f-7716-4eef-914a-3f889ed5c1e7Hung Bui<p>Hi,&nbsp;<br />It&#39;s most likely the UART logging on the network core was not turned off.&nbsp;<br />You can have a look here:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/74092/high-power-consumption-when-running-the-ble-stack">https://devzone.nordicsemi.com/f/nordic-q-a/74092/high-power-consumption-when-running-the-ble-stack</a></p> <p>Basically you need to add&nbsp;</p> <p>CONFIG_LOG=n<br />CONFIG_SERIAL=n</p> <p>To the prj.conf file of the&nbsp;hci_rpmsg and then compile and flash that into network core.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/313551?ContentTypeID=1Fri, 04 Jun 2021 06:53:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3c70501c-ec49-47b5-b330-a6b5fcd06538MantasPrevayl<p><a class="uploadrr-transfer-link" href="https://www.transfernow.net/dl/20210604OkFcQUHa/5HS7D4Rd" rel="noopener noreferrer" target="_blank">https://www.transfernow.net/dl/20210604OkFcQUHa/5HS7D4Rd</a></p> <p></p> <p>nordic file upload doesnt work so here is the link to ppk</p><div style="clear:both;"></div>