diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
index 98d0d6b9..ce2957cc 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/AppMaster.java
@@ -111,10 +111,6 @@ public class AppMaster {
         return (System.currentTimeMillis() - SystemClock.elapsedRealtimeNanos() / 1000000) / 1000;
     }
 
-    private void selectSimCard(int number) {
-        TelephonyManager telephonyManager = (TelephonyManager)mService.getSystemService(Context.TELEPHONY_SERVICE);
-    }
-
     public void start() {
 
         new Thread(new Runnable() {
@@ -125,6 +121,7 @@ public class AppMaster {
 
                 if (separateNetwork) {
                     try {
+                        mService.logger.info("Switch to Simcard 2");
                         SysApi.selectSimCard4Data(mService.getApplicationContext(), 2);
                         Thread.sleep(100);
 
@@ -158,6 +155,7 @@ public class AppMaster {
                         } finally {
                             try {
                                 if (!mService.isMntnMode()) {
+                                    mService.logger.info("Switch to Simcard 1");
                                     SysApi.selectSimCard4Data(mService.getApplicationContext(), 1);
                                 }
                             } catch (Exception ex) {
@@ -225,6 +223,9 @@ public class AppMaster {
 
             postParams.add(new Pair<String, String>("firmware", MpMasterService.getSystemProperty("ro.custom.ota.version")));
 
+            postParams.add(new Pair<String, String>("signalLevel1", Integer.toString(MpMasterService.getSignalLevel(1))));
+            postParams.add(new Pair<String, String>("signalLevel2", Integer.toString(MpMasterService.getSignalLevel(2))));
+
             // SysApi.
             postParams.add(new Pair<String, String>("simcard1", mService.getIccid(1)));
             // if (mService.isSeparateNetwork()) {