diff --git a/bta/gatt/bta_gattc_act.cc b/bta/gatt/bta_gattc_act.cc
index 7c06658c02..c05963cc7c 100644
--- a/bta/gatt/bta_gattc_act.cc
+++ b/bta/gatt/bta_gattc_act.cc
@@ -1166,7 +1166,7 @@ static void bta_gattc_conn_cback(tGATT_IF gattc_if, const RawAddress& bdaddr,
               if(strncmp((char*)bdname.name, "BOS_KR01", 8) == 0)
               {
                 LOG_INFO("LL_CONNECTION_UPDATE_IND BOS_KR01");
-                L2CA_UpdateBleConnParams(bdaddr,  8, 8, 133, 1000, 0, 8);
+                L2CA_UpdateBleConnParams(bdaddr,  8, 8, 149, 1000, 0, 8);
               }
               else if(strncmp((char*)bdname.name, "BRM_SA02", 8) == 0)
               {
diff --git a/stack/btm/btm_inq.cc b/stack/btm/btm_inq.cc
index 07ce727c4a..920405ed3b 100644
--- a/stack/btm/btm_inq.cc
+++ b/stack/btm/btm_inq.cc
@@ -77,7 +77,7 @@ using bluetooth::Uuid;
 
 //Vas River modiied for UEI BLE RCU, 2019/09/27
 //#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 10
-#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 15
+#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 50
 
 
 /******************************************************************************/