hci_power_ctrl throws bt_hci_core: opcode 0xfc0f status 0x01 on my nRF5340https://devzone.nordicsemi.com/f/nordic-q-a/81363/hci_power_ctrl-throws-bt_hci_core-opcode-0xfc0f-status-0x01-on-my-nrf5340Hello, I am struggling trying to make this sample work on my board. I changed my prj.conf file with these lines: And looking at other questions I discovered that sometimes the failure is in the transmission power setting when is not admitted soen-USTelligent Community 13Fri, 21 Jan 2022 23:28:28 GMTRE: hci_power_ctrl throws bt_hci_core: opcode 0xfc0f status 0x01 on my nRF5340https://devzone.nordicsemi.com/thread/349038?ContentTypeID=1Fri, 21 Jan 2022 23:28:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5acbed55-95b0-4fd8-b3a0-686d22bd9489John<p>If you are using SDK V18 you need to create the advertising packet before you change the power level. Quite why, I have no idea.</p><div style="clear:both;"></div>RE: hci_power_ctrl throws bt_hci_core: opcode 0xfc0f status 0x01 on my nRF5340https://devzone.nordicsemi.com/thread/337740?ContentTypeID=1Fri, 05 Nov 2021 14:47:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fa46175e-ef1c-42fe-b88b-49a82f679bb7Majoris<p>Hi,</p> <p>Maybe you could add hci_rpmsg to network core,and I found some power like -1 may cause warning,but not very sure.</p> <p>Regards,</p> <p>Majoris</p><div style="clear:both;"></div>RE: hci_power_ctrl throws bt_hci_core: opcode 0xfc0f status 0x01 on my nRF5340https://devzone.nordicsemi.com/thread/337488?ContentTypeID=1Thu, 04 Nov 2021 13:16:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:37e6ed4c-5026-43e6-bd32-d25ebf1a8cb2Amanda Hsieh<p>Hi,&nbsp;</p> <p>I add&nbsp;CONFIG_BT_LL_SW_SPLIT=y to&nbsp;<span>prj.conf in v1.6.1 and v1.7.1&nbsp;hci_pwr_ctrl, and cannot reproduce the issue. I would suggest to&nbsp;erase both cores before programming.&nbsp;</span></p> <p><span>Regards,<br />Amanda</span></p><div style="clear:both;"></div>