diff --git a/MODULE_LICENSE_APACHE2 b/MODULE_LICENSE_APACHE2
deleted file mode 100644
index e69de29..0000000
--- a/MODULE_LICENSE_APACHE2
+++ /dev/null
diff --git a/res/values/strings.xml b/res/values/strings.xml
index de8ca8a..9933184 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11604,6 +11604,9 @@
     <string name="mobile_data_settings_summary_auto_switch">
         Phone will automatically switch to this carrier when in range
     </string>
+    <!-- Mobile network setting screen, summary of Mobile data switch preference when the network
+         is unavailable, the preference selection will be disabled. [CHAR LIMIT=NONE] -->
+    <string name="mobile_data_settings_summary_unavailable">No SIM card available</string>
 
     <!-- Mobile network settings screen, title of item showing the name of the default subscription
      that will be used for calls. This only appears in multi-SIM mode. [CHAR LIMIT=NONE] -->
diff --git a/src/com/android/settings/applications/AppStorageSettings.java b/src/com/android/settings/applications/AppStorageSettings.java
index f07c66c..3cded6a 100644
--- a/src/com/android/settings/applications/AppStorageSettings.java
+++ b/src/com/android/settings/applications/AppStorageSettings.java
@@ -311,13 +311,9 @@
             if (appHasSpaceManagementUI) {
                 mButtonsPref.setButton1Text(R.string.manage_space_text);
             } else {
-                mButtonsPref
-                        .setButton1Text(R.string.clear_user_data_text)
-                        .setButton1Icon(R.drawable.ic_settings_delete);
+                mButtonsPref.setButton1Text(R.string.clear_user_data_text);
             }
-            mButtonsPref
-                    .setButton1Text(R.string.clear_user_data_text)
-                    .setButton1Icon(R.drawable.ic_settings_delete)
+            mButtonsPref.setButton1Icon(R.drawable.ic_settings_delete)
                     .setButton1OnClickListener(v -> handleClearDataClick());
         }
 
diff --git a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
index 9afb2b4..7c8b96f 100644
--- a/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
+++ b/src/com/android/settings/applications/specialaccess/deviceadmin/DeviceAdminAdd.java
@@ -288,7 +288,7 @@
             // setup.
             final String supervisor = getString(
                     com.android.internal.R.string.config_defaultSupervisionProfileOwnerComponent);
-            if (supervisor == null) {
+            if (TextUtils.isEmpty(supervisor)) {
                 Log.w(TAG, "Unable to set profile owner post-setup, no default supervisor"
                         + "profile owner defined");
                 finish();
@@ -297,7 +297,7 @@
 
             final ComponentName supervisorComponent = ComponentName.unflattenFromString(
                     supervisor);
-            if (who.compareTo(supervisorComponent) != 0) {
+            if (supervisorComponent == null || who.compareTo(supervisorComponent) != 0) {
                 Log.w(TAG, "Unable to set non-default profile owner post-setup " + who);
                 finish();
                 return;
diff --git a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
index 1078a21..6a13a96 100644
--- a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
+++ b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
@@ -97,7 +97,7 @@
             // New version - uses a separate screen.
             new SubSettingLauncher(mFragment.getContext())
                     .setDestination(UsbDetailsFragment.class.getName())
-                    .setTitleRes(R.string.device_details_title)
+                    .setTitleRes(R.string.usb_preference)
                     .setSourceMetricsCategory(mFragment.getMetricsCategory())
                     .launch();
             return true;
diff --git a/src/com/android/settings/datetime/timezone/OWNERS b/src/com/android/settings/datetime/timezone/OWNERS
index 02cf23c..7ad770a 100644
--- a/src/com/android/settings/datetime/timezone/OWNERS
+++ b/src/com/android/settings/datetime/timezone/OWNERS
@@ -1,6 +1,5 @@
 # Default reviewers for this and subdirectories.
 vichang@google.com
-tobiast@google.com
 nfuller@google.com
 
 # Emergency approvers in case the above are not available
diff --git a/src/com/android/settings/network/telephony/CarrierSettingsVersionPreferenceController.java b/src/com/android/settings/network/telephony/CarrierSettingsVersionPreferenceController.java
index a6db773..aec3648 100644
--- a/src/com/android/settings/network/telephony/CarrierSettingsVersionPreferenceController.java
+++ b/src/com/android/settings/network/telephony/CarrierSettingsVersionPreferenceController.java
@@ -20,6 +20,7 @@
 import android.os.PersistableBundle;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
+import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;
 
@@ -49,6 +50,6 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE;
+        return TextUtils.isEmpty(getSummary()) ? UNSUPPORTED_ON_DEVICE : AVAILABLE;
     }
 }
diff --git a/src/com/android/settings/network/telephony/MobileDataPreferenceController.java b/src/com/android/settings/network/telephony/MobileDataPreferenceController.java
index c35eef6..91c46df 100644
--- a/src/com/android/settings/network/telephony/MobileDataPreferenceController.java
+++ b/src/com/android/settings/network/telephony/MobileDataPreferenceController.java
@@ -128,6 +128,13 @@
             preference.setEnabled(true);
             preference.setSummary(R.string.mobile_data_settings_summary);
         }
+
+        if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            preference.setSelectable(false);
+            preference.setSummary(R.string.mobile_data_settings_summary_unavailable);
+        } else {
+            preference.setSelectable(true);
+        }
     }
 
     private boolean isOpportunistic() {
diff --git a/src/com/android/settings/panel/PanelFragment.java b/src/com/android/settings/panel/PanelFragment.java
index 69d9e64c..536dc77 100644
--- a/src/com/android/settings/panel/PanelFragment.java
+++ b/src/com/android/settings/panel/PanelFragment.java
@@ -156,8 +156,13 @@
 
     private void createPanelContent() {
         final FragmentActivity activity = getActivity();
+        if (activity == null) {
+            return;
+        }
+
         if (mLayoutView == null) {
             activity.finish();
+            return;
         }
 
         mPanelSlices = mLayoutView.findViewById(R.id.panel_parent_layout);
@@ -183,6 +188,7 @@
 
         if (mPanel == null) {
             activity.finish();
+            return;
         }
 
         mPanel.registerCallback(new LocalPanelCallback());
diff --git a/src/com/android/settings/users/EditUserInfoController.java b/src/com/android/settings/users/EditUserInfoController.java
index d205968..6b5e670 100644
--- a/src/com/android/settings/users/EditUserInfoController.java
+++ b/src/com/android/settings/users/EditUserInfoController.java
@@ -99,8 +99,7 @@
     }
 
     public void onSaveInstanceState(Bundle outState) {
-        if (mEditUserInfoDialog != null && mEditUserInfoDialog.isShowing()
-                && mEditUserPhotoController != null) {
+        if (mEditUserInfoDialog != null && mEditUserPhotoController != null) {
             // Bitmap cannot be stored into bundle because it may exceed parcel limit
             // Store it in a temporary file instead
             File file = mEditUserPhotoController.saveNewUserPhotoBitmap();
diff --git a/src/com/android/settings/vpn2/ConfigDialog.java b/src/com/android/settings/vpn2/ConfigDialog.java
index 12d91ec..26c1565 100644
--- a/src/com/android/settings/vpn2/ConfigDialog.java
+++ b/src/com/android/settings/vpn2/ConfigDialog.java
@@ -348,14 +348,14 @@
         mView.findViewById(R.id.vpn_proxy_fields).setVisibility(visible);
     }
 
-    private boolean hasAdvancedOptionsEnabled() {
+    private boolean isAdvancedOptionsEnabled() {
         return mSearchDomains.getText().length() > 0 || mDnsServers.getText().length() > 0 ||
                     mRoutes.getText().length() > 0 || mProxyHost.getText().length() > 0
                     || mProxyPort.getText().length() > 0;
     }
 
     private void configureAdvancedOptionsVisibility() {
-        if (mShowOptions.isChecked() || hasAdvancedOptionsEnabled()) {
+        if (mShowOptions.isChecked() || isAdvancedOptionsEnabled()) {
             mView.findViewById(R.id.options).setVisibility(View.VISIBLE);
             mShowOptions.setVisibility(View.GONE);
 
diff --git a/tests/perftests/Android.bp b/tests/perftests/Android.bp
index 7708bbe..1ba5d9c 100644
--- a/tests/perftests/Android.bp
+++ b/tests/perftests/Android.bp
@@ -19,4 +19,4 @@
     test_suites: ["device-tests"],
 
     instrumentation_for: "Settings",
-}
\ No newline at end of file
+}
diff --git a/tests/perftests/AndroidManifest.xml b/tests/perftests/AndroidManifest.xml
index 972467f..8aae24a 100644
--- a/tests/perftests/AndroidManifest.xml
+++ b/tests/perftests/AndroidManifest.xml
@@ -15,15 +15,15 @@
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="com.android.settings.tests.perf">
+    package="com.android.settings.tests.perf">
 
     <application>
-        <uses-library android:name="android.test.runner"/>
+        <uses-library android:name="android.test.runner" />
     </application>
 
     <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
-                     android:targetPackage="com.android.settings.tests.perf"
-                     android:label="Settings Performance Test Cases">
+        android:targetPackage="com.android.settings.tests.perf"
+        android:label="Settings Performance Test Cases">
     </instrumentation>
 
 </manifest>
diff --git a/tests/perftests/src/com/android/settings/tests/perf/LaunchSettingsTest.java b/tests/perftests/src/com/android/settings/tests/perf/LaunchSettingsTest.java
index f55598c..a8c5230 100644
--- a/tests/perftests/src/com/android/settings/tests/perf/LaunchSettingsTest.java
+++ b/tests/perftests/src/com/android/settings/tests/perf/LaunchSettingsTest.java
@@ -21,8 +21,10 @@
 
 import android.app.Instrumentation;
 import android.os.Bundle;
+import android.util.Log;
 import android.support.test.uiautomator.By;
 import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.UiSelector;
 import android.support.test.uiautomator.Until;
 
 import androidx.test.InstrumentationRegistry;
@@ -34,9 +36,9 @@
 import org.junit.runner.RunWith;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.Collections;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -54,10 +56,13 @@
         }
     }
 
+    private static final String SCREEN_TIME_OUT = "7200000";
+    private static final String DEFAULT_SCREEN_TIMEOUT = "15000";
     private static final int TIME_OUT = 5000;
     private static final int TEST_TIME = 10;
     private static final Pattern PATTERN = Pattern.compile("TotalTime:\\s[0-9]*");
     private static final Page[] PAGES;
+    private static final String TAG = "SettingsPerfTests";
 
     static {
         PAGES = new Page[]{
@@ -65,7 +70,8 @@
                 new Page("android.settings.WIFI_SETTINGS", "Use Wi‑Fi", "Wi-Fi"),
                 new Page("android.settings.BLUETOOTH_SETTINGS", "Connected devices", "BlueTooth"),
                 new Page("android.settings.APPLICATION_SETTINGS", "App info", "Application"),
-                new Page("android.intent.action.POWER_USAGE_SUMMARY", "Battery", "Battery")
+                new Page("android.intent.action.POWER_USAGE_SUMMARY", "Battery", "Battery"),
+                new Page("android.settings.INTERNAL_STORAGE_SETTINGS", "Storage", "Storage")
         };
     }
 
@@ -73,6 +79,8 @@
     private UiDevice mDevice;
     private Instrumentation mInstrumentation;
     private Map<String, ArrayList<Integer>> mResult;
+    private String mDefaultScreenTimeout;
+    private String mDefaultAirplaneModeStatus;
 
     @Before
     public void setUp() throws Exception {
@@ -80,6 +88,11 @@
         mDevice = UiDevice.getInstance(getInstrumentation());
         mInstrumentation = InstrumentationRegistry.getInstrumentation();
         mResult = new LinkedHashMap<>();
+        mDefaultScreenTimeout = mDevice.executeShellCommand(
+                "settings get system screen_off_timeout");
+        mDefaultAirplaneModeStatus = getAirplaneModeStatus();
+        setScreenTimeOut(SCREEN_TIME_OUT);
+        setAirplaneMode();
         mDevice.pressHome();
         mDevice.waitForIdle(TIME_OUT);
 
@@ -92,6 +105,9 @@
     public void tearDown() throws Exception {
         putResultToBundle();
         mInstrumentation.sendStatus(0, mBundle);
+        resetScreenTimeout();
+        resetAirplaneMode();
+        closeApp();
     }
 
     @Test
@@ -105,19 +121,19 @@
 
     private void executePreformanceTest(String action, String displayName, String title)
             throws Exception {
+        closeApp();
+        mDevice.waitForIdle(TIME_OUT);
         final String mString = mDevice.executeShellCommand("am start -W -a" + action);
         mDevice.wait(Until.findObject(By.text(displayName)), TIME_OUT);
         handleLaunchResult(title, mString);
-        closeApp();
-        mDevice.waitForIdle(TIME_OUT);
     }
 
-    private void handleLaunchResult(String title, String s) {
-        Matcher mMatcher = PATTERN.matcher(s);
+    private void handleLaunchResult(String title, String shellCommandResult) {
+        Matcher mMatcher = PATTERN.matcher(shellCommandResult);
         if (mMatcher.find()) {
             mResult.get(title).add(Integer.valueOf(mMatcher.group().split("\\s")[1]));
         } else {
-            fail("Some pages can't be found");
+            fail(String.format("Not found %s.\n %s", title, shellCommandResult));
         }
     }
 
@@ -129,23 +145,92 @@
     private void putResultToBundle() {
         for (String string : mResult.keySet()) {
             mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "max"),
-                    getMax(mResult.get(string)));
+                    getMax(string));
             mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "min"),
-                    getMin(mResult.get(string)));
+                    getMin(string));
             mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "avg"),
-                    getAvg(mResult.get(string)));
+                    getAvg(string));
+            mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "25 Percentile"),
+                    getPercentile(string, 25));
+            mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "50 Percentile"),
+                    getPercentile(string, 50));
+            mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "75 Percentile"),
+                    getPercentile(string, 75));
+            mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "all_results"),
+                    mResult.get(string).toString());
+            mBundle.putString(String.format("LaunchSettingsTest_%s_%s", string, "results_count"),
+                    String.valueOf(mResult.get(string).size()));
         }
     }
 
-    private String getMax(ArrayList<Integer> launchResult) {
-        return String.format("%s", launchResult.isEmpty() ? "null" : Collections.max(launchResult));
+    private String getMax(String page) {
+        if (mResult.get(page).size() == TEST_TIME) {
+            return String.format("%s", Collections.max(mResult.get(page)));
+        }
+        Log.e(TAG, String.format("Fail to get max of %s.", page));
+        return "0";
+
     }
 
-    private String getMin(ArrayList<Integer> launchResult) {
-        return String.format("%s", launchResult.isEmpty() ? "null" : Collections.min(launchResult));
+    private String getMin(String page) {
+        if (mResult.get(page).size() == TEST_TIME) {
+            return String.format("%s", Collections.min(mResult.get(page)));
+        }
+        Log.e(TAG, String.format("Fail to get min of %s.", page));
+        return "0";
     }
 
-    private String getAvg(ArrayList<Integer> launchResult) {
-        return String.valueOf((int) launchResult.stream().mapToInt(i -> i).average().orElse(0));
+    private String getAvg(String page) {
+        if (mResult.get(page).size() == TEST_TIME) {
+            return String.valueOf((int) mResult.get(page).stream().mapToInt(
+                    i -> i).average().orElse(0));
+        }
+        Log.e(TAG, String.format("Fail to get avg of %s.", page));
+        return "0";
+    }
+
+    private void setScreenTimeOut(String timeout) throws Exception {
+        mDevice.executeShellCommand("settings put system screen_off_timeout " + timeout);
+    }
+
+    private void resetScreenTimeout() throws Exception {
+        String timeout = DEFAULT_SCREEN_TIMEOUT;
+        if (!mDefaultScreenTimeout.isEmpty()) {
+            timeout = mDefaultScreenTimeout;
+        }
+        setScreenTimeOut(timeout);
+    }
+
+    private void setAirplaneMode() throws Exception {
+        if (mDefaultAirplaneModeStatus.equals("0\n")) {
+            clickAirplaneMode();
+        }
+    }
+
+    private void resetAirplaneMode() throws Exception {
+        if (!getAirplaneModeStatus().equals(mDefaultAirplaneModeStatus)) {
+            clickAirplaneMode();
+        }
+    }
+
+    private void clickAirplaneMode() throws Exception {
+        mDevice.executeShellCommand("am start -W -a android.settings.AIRPLANE_MODE_SETTINGS");
+        mDevice.waitForIdle(TIME_OUT);
+        mDevice.findObject(By.textContains("Airplane")).click();
+        mDevice.waitForIdle(TIME_OUT);
+    }
+
+    private String getAirplaneModeStatus() throws Exception {
+        return mDevice.executeShellCommand("settings get global airplane_mode_on");
+    }
+
+    private String getPercentile(String page, double position) {
+        Collections.sort(mResult.get(page));
+        if (mResult.get(page).size() == TEST_TIME) {
+            return String.valueOf(
+                    mResult.get(page).get((int) (Math.ceil(TEST_TIME * position / 100)) - 1));
+        }
+        Log.e(TAG, String.format("Fail to get percentile of %s.", page));
+        return "0";
     }
 }
\ No newline at end of file