diff --git a/android_app/app/src/main/AndroidManifest.xml b/android_app/app/src/main/AndroidManifest.xml
index 9278d37d..d0903303 100644
--- a/android_app/app/src/main/AndroidManifest.xml
+++ b/android_app/app/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.health.openscale"
-    android:versionCode="1"
+    android:versionCode="2"
     android:versionName="1.0" >
 
     <uses-permission android:name="android.permission.BLUETOOTH"/>
diff --git a/android_app/app/src/main/java/com/health/openscale/core/BluetoothCommunication.java b/android_app/app/src/main/java/com/health/openscale/core/BluetoothCommunication.java
index a2255fb2..0b802105 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/BluetoothCommunication.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/BluetoothCommunication.java
@@ -92,7 +92,18 @@ public class BluetoothCommunication extends Thread {
 			
 		}
     }
- 
+
+    public boolean sendBtData(String data){
+        if (btSocket.isConnected()) {
+            BluetoothConnectedThread btConnectThread = new BluetoothConnectedThread(btSocket, btHandler);
+            btConnectThread.write(data.getBytes());
+
+            return true;
+        }
+
+        return false;
+    }
+
     public void cancel() { 	
         try {
             btSocket.close();
diff --git a/android_app/app/src/main/java/com/health/openscale/core/BluetoothConnectedThread.java b/android_app/app/src/main/java/com/health/openscale/core/BluetoothConnectedThread.java
index 903f1e97..ab7364e9 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/BluetoothConnectedThread.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/BluetoothConnectedThread.java
@@ -15,14 +15,14 @@
 */
 package com.health.openscale.core;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
 import android.bluetooth.BluetoothSocket;
 import android.os.Handler;
 import android.util.Log;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
 public class BluetoothConnectedThread extends Thread {
     private BluetoothSocket btSocket;
     private InputStream btInStream;
@@ -70,7 +70,9 @@ public class BluetoothConnectedThread extends Thread {
     public void write(byte[] bytes) {
         try {
             btOutStream.write(bytes);
-        } catch (IOException e) { }
+        } catch (IOException e) {
+            Log.e("BluetoothConnectedThread", "Error while writing to bluetooth socket " + e.getMessage());
+        }
     }
  
     public void cancel() {
diff --git a/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java b/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
index e866f78a..b237d1b5 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/OpenScale.java
@@ -235,6 +235,13 @@ public class OpenScale {
         updateScaleData();
 	}
 
+    public boolean clearBtScaleData() {
+        if (btCom != null)
+            return false;
+
+        return btCom.sendBtData("9");
+    }
+
     public int[] getCountsOfMonth(int year) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         int selectedUserId  = prefs.getInt("selectedUserId", -1);
diff --git a/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java b/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
index 458f3fef..60e8f6e7 100644
--- a/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
+++ b/android_app/app/src/main/java/com/health/openscale/gui/SettingsActivity.java
@@ -27,6 +27,7 @@ import android.preference.PreferenceActivity;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceManager;
+import android.widget.Toast;
 
 import com.health.openscale.R;
 import com.health.openscale.core.OpenScale;
@@ -42,6 +43,9 @@ protected void onCreate(Bundle savedInstanceState) {
     addPreferencesFromResource(R.xml.preferences);
     initSummary(getPreferenceScreen());
 
+    Preference prefClearBtData = (Preference) findPreference("btClearData");
+    prefClearBtData.setOnPreferenceClickListener(new onClickListenerClearBtData());
+
     updateUserPreferences();
 }
 
@@ -151,8 +155,10 @@ private void updatePrefSummary(Preference p) {
     if(prefs.getBoolean("btEnable", true))
     {
     	findPreference("btDeviceName").setEnabled(true);
+        findPreference("btClearData").setEnabled(true);
     } else {
     	findPreference("btDeviceName").setEnabled(false);
+        findPreference("btClearData").setEnabled(false);
     }
 }
     @Override
@@ -195,4 +201,18 @@ private void updatePrefSummary(Preference p) {
         }
     }
 
+    private class onClickListenerClearBtData implements Preference.OnPreferenceClickListener {
+        @Override
+        public boolean onPreferenceClick(Preference preference) {
+
+            if (OpenScale.getInstance(getApplicationContext()).clearBtScaleData()) {
+                Toast.makeText(preference.getContext(), getResources().getString(R.string.info_delete_bluetooth_data_success), Toast.LENGTH_SHORT).show();
+            } else {
+                Toast.makeText(preference.getContext(), getResources().getString(R.string.info_bluetooth_not_established), Toast.LENGTH_SHORT).show();
+            }
+
+            return false;
+        }
+    }
+
 }
diff --git a/android_app/app/src/main/res/values/strings.xml b/android_app/app/src/main/res/values/strings.xml
index b751a81c..ac565c2c 100644
--- a/android_app/app/src/main/res/values/strings.xml
+++ b/android_app/app/src/main/res/values/strings.xml
@@ -64,6 +64,9 @@
     <string name="info_is_not_visible">Is not visible</string>
     <string name="info_bluetooth_enable">Searching for Bluetooth bathroom scale is enabled</string>
     <string name="info_bluetooth_disable">Searching for Bluetooth bathroom scale is disabled</string>
+    <string name="info_delete_bluetooth_data">Clear Bluetooth data</string>
+    <string name="info_delete_bluetooth_data_success">Bluetooth data was successful cleared</string>
+    <string name="info_bluetooth_not_established">Bluetooth connection not established</string>
     <string name="info_enter_value_cm">Enter your height in cm</string>
     <string name="info_enter_user_name">Enter your name</string>
     <string name="info_no_selected_user">No user exist! Please create a new user in the settings</string>
diff --git a/android_app/app/src/main/res/xml/preferences.xml b/android_app/app/src/main/res/xml/preferences.xml
index 7d457fd6..dbace69f 100644
--- a/android_app/app/src/main/res/xml/preferences.xml
+++ b/android_app/app/src/main/res/xml/preferences.xml
@@ -7,6 +7,7 @@
 <PreferenceCategory android:title="@string/label_bluetooth_title">
     <CheckBoxPreference android:title="@string/label_bluetooth_enable" android:summaryOn="@string/info_bluetooth_enable" android:summaryOff="@string/info_bluetooth_disable" android:key="btEnable" android:defaultValue="false"/>
     <EditTextPreference android:title="@string/label_device_name" android:key="btDeviceName" android:defaultValue="openScale" />
+    <Preference android:title = "@string/info_delete_bluetooth_data" android:key="btClearData" />
 </PreferenceCategory>
 
 <PreferenceCategory android:title="@string/title_graph">