diff --git a/app/src/main/java/com/xypower/mpapp/MainActivity.java b/app/src/main/java/com/xypower/mpapp/MainActivity.java
index c966955d..a9481ecf 100644
--- a/app/src/main/java/com/xypower/mpapp/MainActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/MainActivity.java
@@ -23,6 +23,7 @@ import androidx.core.app.ActivityCompat;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
+import android.os.SystemClock;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
@@ -192,7 +193,12 @@ public class MainActivity extends AppCompatActivity {
             };
 
             Handler handler = new Handler();
-            handler.postDelayed(runnable, 5000);
+            long boottime = SystemClock.elapsedRealtime();
+            Log.i(TAG, "System boot time =" + boottime );
+            if(boottime <= 60000)
+                handler.postDelayed(runnable, 15000);
+            else
+                handler.postDelayed(runnable, 5000);
         }
     }