diff --git a/res/layout/convert_fbe.xml b/res/layout/convert_fbe.xml
new file mode 100644
index 0000000..4a9d7c0
--- /dev/null
+++ b/res/layout/convert_fbe.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:layout_marginBottom="12dp" >
+
+        <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="12dp"
+                android:layout_marginEnd="12dp"
+                android:layout_marginTop="12dp"
+                android:textSize="18sp"
+                android:text="@string/convert_to_fbe_warning" />
+
+        <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="fill_parent"
+                android:layout_gravity="center"
+                android:orientation="horizontal">
+            <Button
+                    android:id="@+id/button_convert_fbe"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="bottom"
+                    android:layout_marginBottom="12dp"
+                    android:text="@string/button_convert_fbe" />
+        </LinearLayout>
+
+</LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index d5e2077..bbf9c80 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2006,6 +2006,18 @@
     <string name="night_mode_yes">Always on</string>
     <!-- Sound & display settings screen, theme setting value to automatically switch between a light- or dark-colored user interface [CHAR LIMIT=30] -->
     <string name="night_mode_auto">Automatic</string>
+
+    <!-- Option to convert userdata to file encryption on Nexus M devices -->
+    <string name="convert_to_file_encryption">Convert to file encryption</string>
+    <string name="convert_to_file_encryption_enabled">Convert ...</string>
+    <string name="convert_to_file_encryption_done">Already file encrypted</string>
+    <string name="convert_to_fbe_warning">
+      Convert data partition to file based encryption.\n
+      !!Warning!! This will erase all your data.\n
+      This feature is alpha, and may not work correctly.\n
+      Press \'Wipe and convert...\' to continue.</string>
+    <string name="button_convert_fbe">Wipe and convert...</string>
+
     <!-- Sound & display settings screen, setting option name to change screen timeout -->
     <string name="screen_timeout">Sleep</string>
     <!-- Sound & display settings screen, setting option name to change screen timeout [CHAR LIMIT=30] -->
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index 8417e48..1770f13 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -67,6 +67,12 @@
         android:entries="@array/night_mode_entries"
         android:entryValues="@array/night_mode_values" />
 
+    <PreferenceScreen
+        android:key="convert_to_file_encryption"
+        android:title="@string/convert_to_file_encryption"
+        android:summary="@string/convert_to_file_encryption_enabled"
+        android:fragment="com.android.settings.applications.ConvertToFBE" />
+
     <com.android.settings.ColorModePreference
         android:key="color_mode"
         android:title="@string/picture_color_mode"
diff --git a/src/com/android/settings/DevelopmentSettings.java b/src/com/android/settings/DevelopmentSettings.java
index 756cac2..5d578eb 100644
--- a/src/com/android/settings/DevelopmentSettings.java
+++ b/src/com/android/settings/DevelopmentSettings.java
@@ -53,6 +53,7 @@
 import android.os.StrictMode;
 import android.os.SystemProperties;
 import android.os.UserManager;
+import android.os.storage.IMountService;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.provider.Settings.Global;
@@ -175,6 +176,7 @@
     private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
 
     private static final String KEY_NIGHT_MODE = "night_mode";
+    private static final String KEY_CONVERT_FBE = "convert_to_file_encryption";
 
     private static final int RESULT_DEBUG_APP = 1000;
     private static final int RESULT_MOCK_LOCATION_APP = 1001;
@@ -407,6 +409,16 @@
             removePreferenceForProduction(hdcpChecking);
         }
 
+        try {
+            IBinder service = ServiceManager.getService("mount");
+            IMountService mountService = IMountService.Stub.asInterface(service);
+            if (!mountService.isConvertibleToFBE()) {
+                removePreference(KEY_CONVERT_FBE);
+            }
+        } catch(RemoteException e) {
+            removePreference(KEY_CONVERT_FBE);
+        }
+
         mNightModePreference = (DropDownPreference) findPreference(KEY_NIGHT_MODE);
         final UiModeManager uiManager = (UiModeManager) getSystemService(
                 Context.UI_MODE_SERVICE);
diff --git a/src/com/android/settings/applications/ConvertToFBE.java b/src/com/android/settings/applications/ConvertToFBE.java
new file mode 100644
index 0000000..e514942
--- /dev/null
+++ b/src/com/android/settings/applications/ConvertToFBE.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.applications;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+
+import com.android.settings.R;
+
+/* Class to prompt for conversion of userdata to file based encryption
+ */
+public class ConvertToFBE extends Fragment {
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                Bundle savedInstanceState) {
+        View rootView = inflater.inflate(R.layout.convert_fbe, null);
+
+        final Button button = (Button) rootView.findViewById(R.id.button_convert_fbe);
+        button.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    // Perform action on click
+                }
+            });
+
+        return rootView;
+    }
+}