https://devzone.nordicsemi.com/f/nordic-q-a/115338/difficulty-configuring-code-phy-s8-and-s2When I need to switch between 1M and 2M I create an object of the type bt_conn_le_phy_param and fill in the parameters appropriate to the radio mode I want, and then I call the method bt_conn_le_phy_update(), and it works well. For example: oren-USTelligent Community 13Wed, 09 Oct 2024 11:41:48 GMThttps://devzone.nordicsemi.com/thread/505540?ContentTypeID=1Wed, 09 Oct 2024 11:41:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:09f462c9-68fe-4163-82cf-aef6e07c9d2eHigo<p>Hi Elfving</p> <p>I added just this CONFIG below to the prj.conf file and worked</p> <p><br />CONFIG_BT_CTLR_PHY_CODED=y<br /><br />Thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/505511?ContentTypeID=1Wed, 09 Oct 2024 10:14:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8aac5f09-e5cd-46d8-80b4-6896cd0f8242Elfving<p>Hello,</p> <p>Have you remembered to enable&nbsp;CONFIG_BT_CTLR_ADV_EXT and&nbsp;CONFIG_BT_CTLR_PHY_CODED?</p> <p>There are other things that might be missing here as well, the easiest would probably be to have a look at our samples that show how it is used, for instance <a href="https://github.com/nrfconnect/sdk-nrf/tree/main/samples/bluetooth/peripheral_hr_coded">this </a>or this <a href="https://github.com/nrfconnect/sdk-nrf/tree/main/samples/bluetooth/central_hr_coded">one</a>.</p> <p>Regards,</p> <p>Elfving</p><div style="clear:both;"></div>