https://devzone.nordicsemi.com/f/nordic-q-a/59877/high-current-consumption-after-adding-ota-dfu-mbr-to-zigbee-edProject Starting Point I have a Zigbee end device that until recently, did not include an MBR, Bootloader, or the OTA cluster. Prior to the implementation of the previously mentioned items, the application used the SAADC peripheral and generally consumeden-USTelligent Community 13Sun, 05 Apr 2020 19:03:31 GMThttps://devzone.nordicsemi.com/thread/243525?ContentTypeID=1Sun, 05 Apr 2020 19:03:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b2a13f4a-c52d-4861-b55c-7ce85b4254cfPatrick<p>Well this is pretty embarrassing. It would seem that UART was indeed enabled in my sdk_config. I must have copied it from the example without realizing. Application power consumption is now back to normal after disabling it.</p><div style="clear:both;"></div>