diff --git a/components/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c b/components/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
index 4e0f42f59b..13a424586f 100644
--- a/components/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
+++ b/components/bt/host/bluedroid/stack/btm/btm_ble_5_gap.c
@@ -1086,18 +1086,23 @@ end:
 void BTM_BleSetPreferExtenedConnParams (BD_ADDR bd_addr, tBTM_EXT_CONN_PARAMS *params)
 {
     tBTM_SEC_DEV_REC  *p_dev_rec = btm_find_or_alloc_dev (bd_addr);
+    tBTM_STATUS status = BTM_SUCCESS;
+    tBTM_BLE_5_GAP_CB_PARAMS cb_params = {0};
 
     if (p_dev_rec) {
         if (params) {
             memcpy(&p_dev_rec->ext_conn_params, params, sizeof(tBTM_EXT_CONN_PARAMS));
         } else {
-            BTM_TRACE_ERROR("Invalid Extand connection parameters");
+            BTM_TRACE_ERROR("Invalid Extended connection parameters");
+            status = BTM_ILLEGAL_VALUE;
         }
     } else {
-            BTM_TRACE_ERROR("Unknown Device, setting rejected");
+        BTM_TRACE_ERROR("Unknown Device, setting rejected");
+        status = BTM_UNKNOWN_ADDR;
     }
 
-    return;
+    cb_params.status = status;
+    BTM_ExtBleCallbackTrigger(BTM_BLE_5_GAP_PREFER_EXT_CONN_PARAMS_SET_COMPLETE_EVT, &cb_params);
 }
 
 void btm_ble_extended_init(void)
diff --git a/components/bt/host/bluedroid/stack/btu/btu_hcif.c b/components/bt/host/bluedroid/stack/btu/btu_hcif.c
index 44bb4fd3b9..2a6e21cd15 100644
--- a/components/bt/host/bluedroid/stack/btu/btu_hcif.c
+++ b/components/bt/host/bluedroid/stack/btu/btu_hcif.c
@@ -143,6 +143,7 @@ static void btu_ble_periodic_adv_sync_lost_evt(UINT8 *p);
 static void btu_ble_scan_timeout_evt(UINT8 *p);
 static void btu_ble_adv_set_terminate_evt(UINT8 *p);
 static void btu_ble_scan_req_received_evt(UINT8 *p);
+static void btu_ble_channel_select_alg_evt(UINT8 *p);
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 static void btu_ble_periodic_adv_sync_trans_recv(UINT8 *p);
@@ -411,6 +412,7 @@ void btu_hcif_process_event (UNUSED_ATTR UINT8 controller_id, BT_HDR *p_msg)
             btu_ble_scan_req_received_evt(p);
             break;
         case HCI_BLE_CHANNEL_SELECT_ALG:
+            btu_ble_channel_select_alg_evt(p);
             break;
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
@@ -2351,6 +2353,21 @@ static void btu_ble_scan_req_received_evt(UINT8 *p)
 
     btm_ble_scan_req_received_evt(&req_received);
 }
+
+static void btu_ble_channel_select_alg_evt(UINT8 *p)
+{
+    tBTM_BLE_CHANNEL_SEL_ALG chan_sel_alg = {0};
+
+    if (!p) {
+        HCI_TRACE_ERROR("%s, Invalid params.", __func__);
+        return;
+    }
+
+    STREAM_TO_UINT16(chan_sel_alg.conn_handle, p);
+    STREAM_TO_UINT8(chan_sel_alg.channel_sel_alg, p);
+
+    btm_ble_channel_select_algorithm_evt(&chan_sel_alg);
+}
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)