diff --git a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
index 548cdd1..e77da46 100644
--- a/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
+++ b/app/src/main/java/com/xypower/mpremote/DeviceActivity.java
@@ -18,6 +18,7 @@ import android.telephony.ims.ImsMmTelManager;
 import android.text.Html;
 import android.text.TextUtils;
 import android.text.format.Formatter;
+import android.util.Base64;
 import android.util.Log;
 import android.view.MenuItem;
 import android.view.View;
@@ -33,6 +34,7 @@ import org.json.JSONObject;
 
 import java.io.File;
 import java.net.Socket;
+import java.nio.charset.Charset;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
@@ -65,6 +67,8 @@ public class DeviceActivity extends AppCompatActivity {
     private static final String KEY_RO_MODEMS_MAX_COUNT = "telephony.active_modems.max_count";
     private static final String KEY_RO_SIGNAL_STRNGTH_PREFIX = "vendor.ril.nw.signalstrength.lte.";
 
+    private static final String KEY_RO_ICCID_PREFIX = "persist.vendor.radio.cfu.iccid.";
+
     private static final String KEY_GSM_VENDOR_NAME = "gsm.operator.alpha";
 
     // private static final String KEY_RO_MODEMS_MAX_COUNT = "telephony.active_modems.max_count";
@@ -612,6 +616,7 @@ public class DeviceActivity extends AppCompatActivity {
         }
 
         String signalLevel = "";
+        List<String> iccids = new ArrayList<>();
         for (int idx = 1; idx <= numberOfSimcard; idx++) {
             String key = KEY_RO_SIGNAL_STRNGTH_PREFIX + Integer.toString(idx);
             if (mProps.containsKey(key)) {
@@ -622,15 +627,18 @@ public class DeviceActivity extends AppCompatActivity {
                     if (!TextUtils.isEmpty(signalLevel)) {
                         signalLevel += "/";
                     }
-
-                    TelephonyManager telephonyManager;
-
-                    SignalStrength signalStrength1;
-
                     int ss = calculateSignalLevel(signalStrength, RSSI_LEVELS);
                     signalLevel += Integer.toString(ss);
                 }
             }
+
+            key = KEY_RO_ICCID_PREFIX + Integer.toString(idx - 1);
+            if (mProps.containsKey(key)) {
+                String val = (String)mProps.get(key);
+                byte[] bytes = Base64.decode(val, Base64.DEFAULT);
+                String str = new String(bytes, Charset.defaultCharset());
+                iccids.add(str);
+            }
         }
 
         appendKeyValue(stringBuilder, "CMDID", mAppConfig.cmdid, true);
@@ -651,6 +659,9 @@ public class DeviceActivity extends AppCompatActivity {
 
         appendKeyValue(stringBuilder, "移动运营商", vendorName);
         appendKeyValue(stringBuilder, "移动信号", signalLevel);
+        for (String iccid : iccids) {
+            appendKeyValue(stringBuilder, "ICCID", iccid);
+        }
 
         if (mBatteryVoltage != -1) {
             appendKeyValue(stringBuilder, "电池电压", Integer.toString(mBatteryVoltage / 1000) + "." + Integer.toString((mBatteryVoltage % 1000) / 100));