diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java b/mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java
index 9c385881..0222fbe9 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_JSInterface.java
@@ -160,4 +160,14 @@ public class IITC_JSInterface {
             }
         });
     }
+
+    @JavascriptInterface
+    public void updateIitc(final String fileUrl) {
+        mIitc.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                mIitc.updateIitc(fileUrl);
+            }
+        });
+    }
 }
diff --git a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
index 01f86c1b..186a3b94 100644
--- a/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
+++ b/mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
@@ -3,6 +3,7 @@ package com.cradle.iitc_mobile;
 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.app.ProgressDialog;
 import android.app.SearchManager;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -15,6 +16,7 @@ import android.location.LocationListener;
 import android.location.LocationManager;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Environment;
 import android.os.Handler;
 import android.preference.PreferenceManager;
 import android.util.Log;
@@ -28,6 +30,7 @@ import android.widget.SearchView;
 import android.widget.Toast;
 
 import com.cradle.iitc_mobile.IITC_NavigationHelper.Pane;
+import com.cradle.iitc_mobile.async.DownloadIitcUpdate;
 
 import java.io.File;
 import java.io.IOException;
@@ -38,6 +41,7 @@ import java.util.Stack;
 public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeListener, LocationListener {
 
     private static final int REQUEST_LOGIN = 1;
+    public static final int REQUEST_UPDATE_FINISHED = 2;
 
     private IITC_WebView mIitcWebView;
     private final String mIntelUrl = "https://www.ingress.com/intel";
@@ -53,6 +57,7 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
     private SharedPreferences mSharedPrefs;
     private IITC_NavigationHelper mNavigationHelper;
     private IITC_MapSettings mMapSettings;
+    private ProgressDialog mProgressDialog;
 
     // Used for custom back stack handling
     private final Stack<Pane> mBackStack = new Stack<IITC_NavigationHelper.Pane>();
@@ -106,6 +111,13 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         // Clear the back stack
         mBackStack.clear();
 
+        // init update progress dialog
+        mProgressDialog = new ProgressDialog(this);
+        mProgressDialog.setMessage("Downloading IITCm update...");
+        mProgressDialog.setIndeterminate(true);
+        mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+        mProgressDialog.setCancelable(true);
+
         handleIntent(getIntent(), true);
     }
 
@@ -570,6 +582,10 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
                 // authentication activity has returned. mLogin will continue authentication
                 mLogin.onActivityResult(resultCode, data);
                 break;
+            case REQUEST_UPDATE_FINISHED:
+                // clean up update apk
+                File file = new File(Environment.getExternalStorageDirectory().toString() + "/iitc_update.apk");
+                if (file != null) file.delete();
 
             default:
                 super.onActivityResult(requestCode, resultCode, data);
@@ -626,6 +642,17 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
         }
     }
 
+    public void updateIitc(String url) {
+        final DownloadIitcUpdate updateTask = new DownloadIitcUpdate(this);
+        updateTask.execute(url);
+        mProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
+            @Override
+            public void onCancel(DialogInterface dialog) {
+                updateTask.cancel(true);
+            }
+        });
+    }
+
     /**
      * @see getNavigationHelper()
      * @deprecated ActionBar related stuff should be handled by IITC_NavigationHelper
@@ -643,4 +670,8 @@ public class IITC_Mobile extends Activity implements OnSharedPreferenceChangeLis
     public IITC_MapSettings getMapSettings() {
         return mMapSettings;
     }
+
+    public ProgressDialog getProgressDialog() {
+        return mProgressDialog;
+    }
 }
diff --git a/mobile/src/com/cradle/iitc_mobile/async/DownloadIitcUpdate.java b/mobile/src/com/cradle/iitc_mobile/async/DownloadIitcUpdate.java
new file mode 100644
index 00000000..f2f64fb6
--- /dev/null
+++ b/mobile/src/com/cradle/iitc_mobile/async/DownloadIitcUpdate.java
@@ -0,0 +1,99 @@
+package com.cradle.iitc_mobile.async;
+
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Environment;
+import android.util.Log;
+
+import com.cradle.iitc_mobile.IITC_Mobile;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLConnection;
+
+/**
+ * Background Async Task to download file
+ * */
+public class DownloadIitcUpdate extends AsyncTask<String, Integer, String> {
+
+    private final IITC_Mobile mIitc;
+    private final ProgressDialog mProgressDialog;
+
+    public DownloadIitcUpdate(IITC_Mobile iitcm) {
+        mIitc = iitcm;
+        mProgressDialog = iitcm.getProgressDialog();
+    }
+
+    @Override
+    protected void onPreExecute() {
+        super.onPreExecute();
+        mProgressDialog.show();
+    }
+
+    @Override
+    protected String doInBackground(String... fileUrl) {
+        int count;
+        try {
+            URL url = new URL(fileUrl[0]);
+            URLConnection connection = url.openConnection();
+            connection.connect();
+            int lengthOfFile = connection.getContentLength();
+
+            // input stream to read file - with 8k buffer
+            InputStream input = new BufferedInputStream(url.openStream(), 8192);
+
+            // Output stream to write file
+            OutputStream output = new FileOutputStream(Environment.getExternalStorageDirectory().toString()
+                    + "/iitc_update.apk");
+
+            byte data[] = new byte[8192];
+
+            long total = 0;
+
+            while ((count = input.read(data)) != -1) {
+                total += count;
+                // publishing the progress....
+                publishProgress((int)(total*100)/lengthOfFile);
+
+                // writing data to file
+                output.write(data, 0, count);
+            }
+
+            output.flush();
+
+            // closing streams
+            output.close();
+            input.close();
+
+        } catch (Exception e) {
+            Log.e("iitcm:", e.getMessage());
+        }
+
+        return null;
+    }
+
+    protected void onProgressUpdate(Integer... progress) {
+        super.onProgressUpdate(progress);
+        // if we get here, length is known, now set indeterminate to false
+        mProgressDialog.setIndeterminate(false);
+        mProgressDialog.setMax(100);
+        mProgressDialog.setProgress(progress[0]);
+   }
+
+    @Override
+    protected void onPostExecute(String fileUrl) {
+        // dismiss the dialog after the file was downloaded
+        mProgressDialog.dismiss();
+
+        String iitcPath = Environment.getExternalStorageDirectory().toString() + "/iitc_update.apk";
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setDataAndType(Uri.fromFile(new File(iitcPath)), "application/vnd.android.package-archive");
+        mIitc.startActivityForResult(intent, mIitc.REQUEST_UPDATE_FINISHED);
+    }
+}
\ No newline at end of file