diff --git a/src/com/android/phone/MobileNetworkSettings.java b/src/com/android/phone/MobileNetworkSettings.java
index c817a9b..b41abb2 100644
--- a/src/com/android/phone/MobileNetworkSettings.java
+++ b/src/com/android/phone/MobileNetworkSettings.java
@@ -95,6 +95,18 @@
         }
     }
 
+    @Override
+    public boolean onOptionsItemSelected(final MenuItem item) {
+        final int itemId = item.getItemId();
+        switch (itemId) {
+            // Respond to the action bar's Up/Home button
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
     public static class MobileNetworkFragment extends PreferenceFragment implements
             Preference.OnPreferenceChangeListener, RoamingDialogFragment.RoamingDialogListener {