https://devzone.nordicsemi.com/f/nordic-q-a/17564/unhandled-event-with-id-29Hi, I work with the nrf51-ble-driver_win_0.5.0. I changed the heart-rate-collector to discover the characteristic of connected devices. Maybe I&#39;m blind. But the ble_evt_handler reports an unhandled event with id 29 and I don&#39;t find that gap_event_id aten-USTelligent Community 13Tue, 08 Nov 2016 11:17:56 GMThttps://devzone.nordicsemi.com/thread/67525?ContentTypeID=1Tue, 08 Nov 2016 11:17:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c7b9b45e-68cd-4cd6-bf36-89a689ea5b57Petter Myhre<p>Np. I guess this is resolved then? Maybe you can accept my answer by clicking the grey circle next to it. Thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/67524?ContentTypeID=1Mon, 07 Nov 2016 15:29:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f817cccb-0c2f-4319-b805-4be7d42e8133Christian<p>Yes 1D. I found the problem I looked at the S110 Softdevice. So. I&#39;m unable to search. :( Thank you.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/67523?ContentTypeID=1Mon, 07 Nov 2016 15:18:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0fb25bc9-969c-4c24-a8ef-fb898383d6aePetter Myhre<p>29? So 1D? Wouldn&#39;t that be BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST?</p><div style="clear:both;"></div>