diff --git a/app/src/main/java/com/utsmm/kbz/ui/dashboard/DashboardTransFragment.java b/app/src/main/java/com/utsmm/kbz/ui/dashboard/DashboardTransFragment.java
index 800e79f..8457280 100644
--- a/app/src/main/java/com/utsmm/kbz/ui/dashboard/DashboardTransFragment.java
+++ b/app/src/main/java/com/utsmm/kbz/ui/dashboard/DashboardTransFragment.java
@@ -10,6 +10,8 @@ import androidx.annotation.Nullable;
 import com.utsmm.kbz.util.enums.SettlementType;
 import com.utsmyanmar.baselib.fragment.DataBindingFragment;
 import com.utsmyanmar.baselib.util.DataBindingConfig;
+import com.utsmyanmar.paylibs.utils.LogUtil;
+import com.utsmyanmar.paylibs.utils.core_utils.SystemParamsOperation;
 import com.utsmyanmar.paylibs.utils.enums.TransMenu;
 import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType;
 import com.utsmm.kbz.BR;
@@ -128,7 +130,8 @@ public class DashboardTransFragment extends DataBindingFragment {
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-
+        Boolean demoStatus = SystemParamsOperation.getInstance().getDemoStatus();
+        LogUtil.d("KMK", "demo => " + demoStatus);
     }
 
     public  class ClickEvent {
diff --git a/app/src/main/java/com/utsmm/kbz/util/DownloadUtil.java b/app/src/main/java/com/utsmm/kbz/util/DownloadUtil.java
new file mode 100644
index 0000000..afbe81d
--- /dev/null
+++ b/app/src/main/java/com/utsmm/kbz/util/DownloadUtil.java
@@ -0,0 +1,50 @@
+package com.utsmm.kbz.util;
+
+import com.utsmm.kbz.MyApplication;
+import com.utsmyanmar.paylibs.utils.LogUtil;
+
+import java.io.File;
+import java.io.FileOutputStream;
+
+import okhttp3.OkHttp;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class DownloadUtil {
+
+    final static String TAG = DownloadUtil.class.getSimpleName();
+    private void downloadFile(String url){
+        try{
+            OkHttpClient okHttpClient = new OkHttpClient();
+            Request request = new Request.Builder().url(url).build();
+            Response response = okHttpClient.newCall(request).execute();
+
+            if(!response.isSuccessful()){
+                LogUtil.e(TAG, "file download failed");
+                return;
+            }
+            byte[] bytes = response.body().bytes();
+            saveFile("cert_file.ctr", bytes);
+            LogUtil.d(TAG, "file saved successfully.");
+        }catch (Exception e){
+
+        }
+    }
+
+    private void saveFile(String filename, byte[] data){
+        try{
+            File dir = MyApplication.getInstance().getFilesDir();
+            File file = new File(dir, filename);
+
+            FileOutputStream fos = new FileOutputStream(file);
+            fos.write(data);
+            fos.flush();
+            fos.close();
+
+            LogUtil.d(TAG, "Saved file at => " + file.getAbsolutePath());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}
diff --git a/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsOperation.java b/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsOperation.java
index f1db14f..d6bf2b6 100644
--- a/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsOperation.java
+++ b/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsOperation.java
@@ -1106,7 +1106,7 @@ public class SystemParamsOperation {
 
     public void setDemoStatus(boolean status){
         SystemParamsSettings params = getSystemParamsSettings();
-        params.setDemoStatus(status);
+        params.setDemoStatus(false);
         saveSystemParamsSettings(params);
     }
 
diff --git a/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsSettings.java b/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsSettings.java
index a7fc712..548c594 100644
--- a/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsSettings.java
+++ b/paylibs/src/main/java/com/utsmyanmar/paylibs/utils/core_utils/SystemParamsSettings.java
@@ -164,7 +164,7 @@ public class SystemParamsSettings implements Serializable {
 
     private boolean print_iso_status = false;
 
-    private boolean demo_status = true;
+    private boolean demo_status = false;
 
     private boolean ecr_status = false;