project packages/apps/Bluetooth/
diff --git a/src/com/android/bluetooth/gatt/GattService.java b/src/com/android/bluetooth/gatt/GattService.java
index bbb31e6a0..575c1abf4 100644
--- a/src/com/android/bluetooth/gatt/GattService.java
+++ b/src/com/android/bluetooth/gatt/GattService.java
@@ -1377,7 +1377,7 @@ public class GattService extends ProfileService {
                     if (name.indexOf(devName) != -1) {
                         Log.e(TAG, "onClientConnected() connId=" + connId + " send connection update");
                         if (name.contains("BOS_KR01")){
-                            leConnectionUpdate(clientIf, address, 8, 8, 133, 1000, 0, 8, getAttributionSource()); /* 8*1.25 = 10ms, 133, 10s supervision timeout, min_ce 0, max_ce 8 */
+                            leConnectionUpdate(clientIf, address, 8, 8, 149, 1000, 0, 8, getAttributionSource()); /* 8*1.25 = 10ms, 133, 10s supervision timeout, min_ce 0, max_ce 8 */
                             Log.e(TAG, "BOS_KR01");
                         } else if (name.contains("BRM_SA02")){
                             leConnectionUpdate(clientIf, address, 9, 9, 266, 1000, 0, 8, getAttributionSource());

project system/bt/
diff --git a/stack/btm/btm_inq.cc b/stack/btm/btm_inq.cc
index 07ce727c4..48cbd47cd 100644
--- a/stack/btm/btm_inq.cc
+++ b/stack/btm/btm_inq.cc
@@ -77,7 +77,8 @@ 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
+//kinbay mantis 1985 
+#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 50