https://devzone.nordicsemi.com/f/nordic-q-a/61572/when-to-enable-notifications-when-using-secure-bonding-and-pairingHi, nRF52 SDK Version: 16.0 Example: examples/ble_central_and_peripheral/experimental/ble_app_multirole_lesc File: main.c I made two different binaries of this code: Works as Peripheral (Commented scan start related stuff) Works as Centralen-USTelligent Community 13Mon, 25 May 2020 08:37:42 GMThttps://devzone.nordicsemi.com/thread/251405?ContentTypeID=1Mon, 25 May 2020 08:37:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:602c523a-1cfc-455e-8f22-d0d21bd157bdSigurd<p>Hi,</p> [quote user=""]But I would like to know if there is any event which would tell that bonding is complete and now I can enable the notifications.[/quote] <p>Try to wait for the&nbsp;<span>PM_EVT_LOCAL_DB_CACHE_APPLIED event. (see <a href="https://devzone.nordicsemi.com/f/nordic-q-a/61014/getting-a-0x3401-ble_error_gatts_sys_attr_missing-from-sd_ble_gatts_hvx">this post</a>).</span></p><div style="clear:both;"></div>