https://devzone.nordicsemi.com/f/nordic-q-a/75790/calling-systemoff-api-soon-after-softdevice-apierr_code = sd_ble_gap_adv_start(m_adv_handle, APP_BLE_CONN_CFG_TAG); nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); I would like to ask that for the above code, will the mcu wait for the advertisement to complete before going to sytemOFFen-USTelligent Community 13Tue, 01 Jun 2021 08:53:04 GMThttps://devzone.nordicsemi.com/thread/312786?ContentTypeID=1Tue, 01 Jun 2021 08:53:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:27695f5f-a6df-4907-9271-e04be70962b4Jared<p>Hi,</p> <p>No, it will not wait for the advertising to complete before it goes to system OFF. See the <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/pwr_mgmt_example.html?cp=8_1_4_6_21">Power Management Example</a>&nbsp;in the SDK for an example on how to postpone the shutdown process if the application is not ready.&nbsp;</p> <p>best regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>