diff --git a/res/xml/firmware_version.xml b/res/xml/firmware_version.xml
index 2914ef1acf3..75336ce86b0 100644
--- a/res/xml/firmware_version.xml
+++ b/res/xml/firmware_version.xml
@@ -68,6 +68,7 @@
         android:title="@string/build_number"
         android:summary="@string/summary_placeholder"
         settings:enableCopying="true"
+        settings:allowDynamicSummaryInSlice="true"
         settings:controller="com.android.settings.deviceinfo.firmwareversion.SimpleBuildNumberPreferenceController"/>
 
 </PreferenceScreen>
\ No newline at end of file
diff --git a/res/xml/network_and_internet_v2.xml b/res/xml/network_and_internet_v2.xml
index 6078e7a921d..2451c57410c 100644
--- a/res/xml/network_and_internet_v2.xml
+++ b/res/xml/network_and_internet_v2.xml
@@ -79,7 +79,7 @@
         settings:useAdminDisabledSummary="true" />
 
     <com.android.settings.datausage.DataSaverPreference
-        android:key="restrict_backgroundz"
+        android:key="restrict_background_parent_entry"
         android:title="@string/data_saver_title"
         android:icon="@drawable/ic_settings_data_usage"
         android:order="10"
diff --git a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
index f13af9466cd..855a988a178 100644
--- a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
@@ -16,12 +16,8 @@
 
 package com.android.settings.deviceinfo;
 
-import static android.content.Context.CLIPBOARD_SERVICE;
-
 import android.app.Activity;
 import android.app.settings.SettingsEnums;
-import android.content.ClipData;
-import android.content.ClipboardManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -79,11 +75,7 @@ public class BuildNumberPreferenceController extends BasePreferenceController im
 
     @Override
     public CharSequence getSummary() {
-        try {
-            return BidiFormatter.getInstance().unicodeWrap(Build.DISPLAY);
-        } catch (Exception e) {
-            return mContext.getText(R.string.device_info_default);
-        }
+        return BidiFormatter.getInstance().unicodeWrap(Build.DISPLAY);
     }
 
     @Override
@@ -99,29 +91,7 @@ public class BuildNumberPreferenceController extends BasePreferenceController im
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE;
-    }
-
-    @Override
-    public boolean isSliceable() {
-        return true;
-    }
-
-    @Override
-    public boolean isCopyableSlice() {
-        return true;
-    }
-
-    @Override
-    public void copy() {
-        final ClipboardManager clipboard = (ClipboardManager) mContext.getSystemService(
-                CLIPBOARD_SERVICE);
-        final ClipData clip = ClipData.newPlainText("text", getSummary());
-        clipboard.setPrimaryClip(clip);
-
-        final String toast = mContext.getString(R.string.copyable_slice_toast,
-                mContext.getText(R.string.build_number));
-        Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
+        return AVAILABLE_UNSEARCHABLE;
     }
 
     @Override
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceController.java b/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceController.java
index c7d4459aa24..36f1a43f220 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceController.java
@@ -16,10 +16,16 @@
 
 package com.android.settings.deviceinfo.firmwareversion;
 
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.os.Build;
 import android.text.BidiFormatter;
+import android.widget.Toast;
 
+import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
 
 public class SimpleBuildNumberPreferenceController extends BasePreferenceController {
@@ -38,4 +44,26 @@ public class SimpleBuildNumberPreferenceController extends BasePreferenceControl
     public CharSequence getSummary() {
         return BidiFormatter.getInstance().unicodeWrap(Build.DISPLAY);
     }
+
+    @Override
+    public boolean isSliceable() {
+        return true;
+    }
+
+    @Override
+    public boolean isCopyableSlice() {
+        return true;
+    }
+
+    @Override
+    public void copy() {
+        final ClipboardManager clipboard = (ClipboardManager) mContext.getSystemService(
+                CLIPBOARD_SERVICE);
+        final ClipData clip = ClipData.newPlainText("text", getSummary());
+        clipboard.setPrimaryClip(clip);
+
+        final String toast = mContext.getString(R.string.copyable_slice_toast,
+                mContext.getText(R.string.build_number));
+        Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
index 8fae45c584c..18ddd8a6884 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
@@ -16,18 +16,14 @@
 
 package com.android.settings.deviceinfo;
 
-import static android.content.Context.CLIPBOARD_SERVICE;
-
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.Answers.RETURNS_DEEP_STUBS;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
 import android.app.Activity;
-import android.content.ClipboardManager;
 import android.content.Context;
 import android.os.Process;
 import android.os.UserManager;
@@ -35,7 +31,6 @@ import android.provider.Settings;
 
 import androidx.lifecycle.LifecycleOwner;
 import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.InstrumentedPreferenceFragment;
@@ -62,13 +57,8 @@ import org.robolectric.shadows.ShadowUserManager;
 public class BuildNumberPreferenceControllerTest {
 
     private static final String KEY_BUILD_NUMBER = "build_number";
-
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private Activity mActivity;
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private InstrumentedPreferenceFragment mFragment;
-    @Mock(answer = RETURNS_DEEP_STUBS)
-    private PreferenceScreen mScreen;
 
     private ShadowUserManager mShadowUserManager;
 
@@ -200,14 +190,4 @@ public class BuildNumberPreferenceControllerTest {
         assertThat(activityResultHandled).isTrue();
         assertThat(DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(mContext)).isTrue();
     }
-
-    @Test
-    public void copy_shouldCopyBuildNumberToClipboard() {
-        mController.copy();
-
-        final ClipboardManager clipboard = (ClipboardManager) mContext.getSystemService(
-                CLIPBOARD_SERVICE);
-        final CharSequence data = clipboard.getPrimaryClip().getItemAt(0).getText();
-        assertThat(data.toString()).isEqualTo(mController.getSummary());
-    }
 }
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceControllerTest.java
new file mode 100644
index 00000000000..3784f086da9
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/SimpleBuildNumberPreferenceControllerTest.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2019 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.deviceinfo.firmwareversion;
+
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ClipboardManager;
+import android.content.Context;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class SimpleBuildNumberPreferenceControllerTest {
+
+    private SimpleBuildNumberPreferenceController mController;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+
+        mController = new SimpleBuildNumberPreferenceController(mContext, "test");
+    }
+
+    @Test
+    public void copy_shouldCopyBuildNumberToClipboard() {
+        mController.copy();
+
+        final ClipboardManager clipboard = (ClipboardManager) mContext.getSystemService(
+                CLIPBOARD_SERVICE);
+        final CharSequence data = clipboard.getPrimaryClip().getItemAt(0).getText();
+        assertThat(data.toString()).isEqualTo(mController.getSummary());
+    }
+}