diff --git a/res/values/strings.xml b/res/values/strings.xml
index c66c5b984eb..30901a70556 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6840,12 +6840,12 @@
     <!-- Title of a preference for whether to allow data during calls that is shown when mobile
          data is turned off. This is needed for some multi-SIM scenarios, because the SIM that is
          default for data might not be available during a phone call. [CHAR LIMIT=60] -->
-    <string name="data_during_calls_title">Data during calls</string>
+    <string name="auto_data_switch_title">Switch mobile data automatically</string>
     <!-- Title of a preference for whether to allow data during calls that is shown when mobile
          data is turned off. This is needed for some multi-SIM scenarios, because the SIM that is
          default for data might not be available during a phone call. [CHAR LIMIT=NONE] -->
-    <string name="data_during_calls_summary">
-        Allow this SIM to be used for mobile data only during calls
+    <string name="auto_data_switch_summary">
+        Temporarily use this network when it has better availability for calls and internet
     </string>
 
     <!-- Work SIM title.  [CHAR LIMIT=50] -->
@@ -11389,6 +11389,12 @@
     <!-- Provider Model:
          Summary indicating that a SIM has an active mobile data connection [CHAR LIMIT=50] -->
     <string name="mobile_data_connection_active">Connected</string>
+    <!-- Provider Model:
+     Summary indicating that a SIM has an active mobile data connection [CHAR LIMIT=50] -->
+    <string name="mobile_data_temp_connection_active">Temporarily connected</string>
+    <!-- Provider Model:
+     Summary indicating that a SIM is temporarily connected to mobile data [CHAR LIMIT=50] -->
+    <string name="mobile_data_temp_using">Temporarily using <xliff:g id="subName" example="Google Fi">%1$s</xliff:g></string>
     <!-- Provider Model:
          Summary indicating that a active SIM and no network available [CHAR LIMIT=50] -->
     <string name="mobile_data_no_connection">No connection</string>
diff --git a/res/xml/mobile_network_settings.xml b/res/xml/mobile_network_settings.xml
index 8206223689c..a887fd83f17 100644
--- a/res/xml/mobile_network_settings.xml
+++ b/res/xml/mobile_network_settings.xml
@@ -59,6 +59,12 @@
             settings:controller="com.android.settings.network.telephony.MobileDataPreferenceController"
             settings:allowDividerAbove="true"/>
 
+        <SwitchPreference
+            android:key="auto_data_switch"
+            android:title="@string/auto_data_switch_title"
+            android:summary="@string/auto_data_switch_summary"
+            settings:controller="com.android.settings.network.telephony.AutoDataSwitchPreferenceController"/>
+
         <com.android.settingslib.RestrictedSwitchPreference
             android:key="button_roaming_key"
             android:title="@string/roaming"
@@ -96,12 +102,6 @@
             android:summary="@string/mms_message_summary"
             settings:controller="com.android.settings.network.telephony.MmsMessagePreferenceController"/>
 
-        <SwitchPreference
-            android:key="data_during_calls"
-            android:title="@string/data_during_calls_title"
-            android:summary="@string/data_during_calls_summary"
-            settings:controller="com.android.settings.network.telephony.DataDuringCallsPreferenceController"/>
-
         <SwitchPreference
             android:key="enhanced_4g_lte"
             android:title="@string/enhanced_4g_lte_mode_title"
diff --git a/src/com/android/settings/network/InternetPreferenceController.java b/src/com/android/settings/network/InternetPreferenceController.java
index a58e69a7d6d..48cc884da61 100644
--- a/src/com/android/settings/network/InternetPreferenceController.java
+++ b/src/com/android/settings/network/InternetPreferenceController.java
@@ -192,11 +192,22 @@ public class InternetPreferenceController extends AbstractPreferenceController i
         if (subscriptionManager == null) {
             return;
         }
-        SubscriptionInfo subInfo = subscriptionManager.getDefaultDataSubscriptionInfo();
+        SubscriptionInfo subInfo = subscriptionManager.getActiveSubscriptionInfo(
+                SubscriptionManager.getActiveDataSubscriptionId());
+        SubscriptionInfo defaultSubInfo = subscriptionManager.getDefaultDataSubscriptionInfo();
+        subInfo = subscriptionManager.isSubscriptionVisible(subInfo) ? subInfo : defaultSubInfo;
         if (subInfo == null) {
             return;
         }
-        mPreference.setSummary(SubscriptionUtil.getUniqueSubscriptionDisplayName(
-                subInfo, mContext));
+        CharSequence summary;
+        if (subInfo.equals(defaultSubInfo)) {
+            // DDS is active
+            summary = SubscriptionUtil.getUniqueSubscriptionDisplayName(subInfo, mContext);
+        } else {
+            summary = mContext.getString(
+                    R.string.mobile_data_temp_using,
+                    SubscriptionUtil.getUniqueSubscriptionDisplayName(subInfo, mContext));
+        }
+        mPreference.setSummary(summary);
     }
 }
diff --git a/src/com/android/settings/network/SubscriptionsPreferenceController.java b/src/com/android/settings/network/SubscriptionsPreferenceController.java
index 9e21001c0ca..4ce7d26f78e 100644
--- a/src/com/android/settings/network/SubscriptionsPreferenceController.java
+++ b/src/com/android/settings/network/SubscriptionsPreferenceController.java
@@ -220,7 +220,11 @@ public class SubscriptionsPreferenceController extends AbstractPreferenceControl
             return;
         }
 
-        SubscriptionInfo subInfo = mSubscriptionManager.getDefaultDataSubscriptionInfo();
+        // Prefer using the currently active sub
+        SubscriptionInfo subInfoCandidate = mSubscriptionManager.getActiveSubscriptionInfo(
+                SubscriptionManager.getActiveDataSubscriptionId());
+        SubscriptionInfo subInfo = mSubscriptionManager.isSubscriptionVisible(subInfoCandidate)
+                ? subInfoCandidate : mSubscriptionManager.getDefaultDataSubscriptionInfo();
         if (subInfo == null) {
             mPreferenceGroup.removeAll();
             return;
@@ -255,9 +259,17 @@ public class SubscriptionsPreferenceController extends AbstractPreferenceControl
         mUpdateListener.onChildrenUpdated();
     }
 
+    /**@return {@code true} if subId is the default data sub. **/
+    private boolean isDds(int subId) {
+        return mSubscriptionManager.getDefaultDataSubscriptionInfo() != null
+                && mSubscriptionManager.getDefaultDataSubscriptionInfo().getSubscriptionId()
+                == subId;
+    }
+
     private CharSequence getMobilePreferenceSummary(int subId) {
         final TelephonyManager tmForSubId = mTelephonyManager.createForSubscriptionId(subId);
-        if (!tmForSubId.isDataEnabled()) {
+        boolean isDds = isDds(subId);
+        if (!tmForSubId.isDataEnabled() && isDds) {
             return mContext.getString(R.string.mobile_data_off_summary);
         }
         final ServiceState serviceState = tmForSubId.getServiceState();
@@ -275,10 +287,12 @@ public class SubscriptionsPreferenceController extends AbstractPreferenceControl
                 mContext, mConfig, mTelephonyDisplayInfo, subId, isCarrierNetworkActive);
         if (mSubsPrefCtrlInjector.isActiveCellularNetwork(mContext) || isCarrierNetworkActive) {
             if (result.isEmpty()) {
-                result = mContext.getString(R.string.mobile_data_connection_active);
+                result = mContext.getString(isDds ? R.string.mobile_data_connection_active
+                        : R.string.mobile_data_temp_connection_active);
             } else {
                 result = mContext.getString(R.string.preference_summary_default_combination,
-                        mContext.getString(R.string.mobile_data_connection_active), result);
+                        mContext.getString(isDds ? R.string.mobile_data_connection_active
+                                : R.string.mobile_data_temp_connection_active), result);
             }
         } else if (!isDataInService) {
             result = mContext.getString(R.string.mobile_data_no_connection);
@@ -316,9 +330,12 @@ public class SubscriptionsPreferenceController extends AbstractPreferenceControl
         final boolean isVoiceInService = (serviceState == null)
                 ? false
                 : (serviceState.getState() == ServiceState.STATE_IN_SERVICE);
+        final boolean isDataEnabled = tmForSubId.isDataEnabled()
+                // non-Dds but auto data switch feature is enabled
+                || (!isDds(subId) && tmForSubId.isMobileDataPolicyEnabled(
+                        TelephonyManager.MOBILE_DATA_POLICY_AUTO_DATA_SWITCH));
         if (isDataInService || isVoiceInService || isCarrierNetworkActive) {
-            icon = mSubsPrefCtrlInjector.getIcon(mContext, level, numLevels,
-                    !tmForSubId.isDataEnabled());
+            icon = mSubsPrefCtrlInjector.getIcon(mContext, level, numLevels, !isDataEnabled);
         }
 
         final boolean isActiveCellularNetwork =
diff --git a/src/com/android/settings/network/telephony/DataDuringCallsPreferenceController.java b/src/com/android/settings/network/telephony/AutoDataSwitchPreferenceController.java
similarity index 84%
rename from src/com/android/settings/network/telephony/DataDuringCallsPreferenceController.java
rename to src/com/android/settings/network/telephony/AutoDataSwitchPreferenceController.java
index 099e01f9057..da812133f66 100644
--- a/src/com/android/settings/network/telephony/DataDuringCallsPreferenceController.java
+++ b/src/com/android/settings/network/telephony/AutoDataSwitchPreferenceController.java
@@ -11,7 +11,7 @@
  * 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
+ * limitations under the License.
  */
 
 package com.android.settings.network.telephony;
@@ -36,7 +36,17 @@ import com.android.settings.datausage.DataUsageUtils;
 import com.android.settings.network.MobileDataContentObserver;
 import com.android.settings.network.SubscriptionsChangeListener;
 
-public class DataDuringCallsPreferenceController extends TelephonyTogglePreferenceController
+/**
+ * Controls whether switch mobile data to the non-default SIM if the non-default SIM has better
+ * availability.
+ *
+ * This is used for temporarily allowing data on the non-default data SIM when on-default SIM
+ * has better availability on DSDS devices, where better availability means strong
+ * signal/connectivity.
+ * If this feature is enabled, data will be temporarily enabled on the non-default data SIM,
+ * including during any voice calls.
+ */
+public class AutoDataSwitchPreferenceController extends TelephonyTogglePreferenceController
         implements LifecycleObserver,
         SubscriptionsChangeListener.SubscriptionsChangeListenerClient {
 
@@ -46,7 +56,7 @@ public class DataDuringCallsPreferenceController extends TelephonyTogglePreferen
     private MobileDataContentObserver mMobileDataContentObserver;
     private PreferenceScreen mScreen;
 
-    public DataDuringCallsPreferenceController(Context context,
+    public AutoDataSwitchPreferenceController(Context context,
             String preferenceKey) {
         super(context, preferenceKey);
     }
@@ -90,13 +100,13 @@ public class DataDuringCallsPreferenceController extends TelephonyTogglePreferen
     @Override
     public boolean isChecked() {
         return mManager.isMobileDataPolicyEnabled(
-                TelephonyManager.MOBILE_DATA_POLICY_DATA_ON_NON_DEFAULT_DURING_VOICE_CALL);
+                TelephonyManager.MOBILE_DATA_POLICY_AUTO_DATA_SWITCH);
     }
 
     @Override
     public boolean setChecked(boolean isChecked) {
         mManager.setMobileDataPolicyEnabled(
-                TelephonyManager.MOBILE_DATA_POLICY_DATA_ON_NON_DEFAULT_DURING_VOICE_CALL,
+                TelephonyManager.MOBILE_DATA_POLICY_AUTO_DATA_SWITCH,
                 isChecked);
         return true;
     }
diff --git a/src/com/android/settings/network/telephony/MobileNetworkSettings.java b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
index 94b6aaf1bcc..e46ba23fa5c 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkSettings.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
@@ -180,7 +180,7 @@ public class MobileNetworkSettings extends AbstractMobileNetworkSettings {
         use(CarrierSettingsVersionPreferenceController.class).init(mSubId);
         use(BillingCyclePreferenceController.class).init(mSubId);
         use(MmsMessagePreferenceController.class).init(mSubId);
-        use(DataDuringCallsPreferenceController.class).init(mSubId);
+        use(AutoDataSwitchPreferenceController.class).init(mSubId);
         use(DisabledSubscriptionController.class).init(mSubId);
         use(DeleteSimProfilePreferenceController.class).init(mSubId, this,
                 REQUEST_CODE_DELETE_SUBSCRIPTION);
diff --git a/tests/robotests/assets/exempt_slice_controller_not_in_xml b/tests/robotests/assets/exempt_slice_controller_not_in_xml
index d711833d1b0..1708bda2fa9 100644
--- a/tests/robotests/assets/exempt_slice_controller_not_in_xml
+++ b/tests/robotests/assets/exempt_slice_controller_not_in_xml
@@ -2,7 +2,7 @@ com.android.settings.accessibility.AccessibilitySlicePreferenceController
 com.android.settings.core.TogglePreferenceControllerTest$FakeToggle
 com.android.settings.biometrics.face.FaceSettingsAttentionPreferenceController
 com.android.settings.network.telephony.MmsMessagePreferenceController
-com.android.settings.network.telephony.DataDuringCallsPreferenceController
+com.android.settings.network.telephony.AutoDataSwitchPreferenceController
 com.android.settings.network.telephony.Enhanced4gBasePreferenceController
 com.android.settings.testutils.FakeToggleController
 com.android.settings.testutils.FakeSliderController
diff --git a/tests/robotests/src/com/android/settings/network/telephony/DataDuringCallsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/telephony/AutoDataSwitchPreferenceControllerTest.java
similarity index 92%
rename from tests/robotests/src/com/android/settings/network/telephony/DataDuringCallsPreferenceControllerTest.java
rename to tests/robotests/src/com/android/settings/network/telephony/AutoDataSwitchPreferenceControllerTest.java
index 4a53aa25349..758d6b09b99 100644
--- a/tests/robotests/src/com/android/settings/network/telephony/DataDuringCallsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/telephony/AutoDataSwitchPreferenceControllerTest.java
@@ -11,7 +11,7 @@
  * 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
+ * limitations under the License.
  */
 
 package com.android.settings.network.telephony;
@@ -47,7 +47,7 @@ import org.robolectric.shadows.ShadowSubscriptionManager;
 
 @RunWith(RobolectricTestRunner.class)
 @Config(shadows = ShadowSubscriptionManager.class)
-public class DataDuringCallsPreferenceControllerTest {
+public class AutoDataSwitchPreferenceControllerTest {
     private static final String PREF_KEY = "pref_key";
     private static final int SUB_ID_1 = 111;
     private static final int SUB_ID_2 = 222;
@@ -59,7 +59,7 @@ public class DataDuringCallsPreferenceControllerTest {
 
     private Context mContext;
     private SwitchPreference mSwitchPreference;
-    private DataDuringCallsPreferenceController mController;
+    private AutoDataSwitchPreferenceController mController;
 
     @Before
     public void setUp() {
@@ -69,9 +69,11 @@ public class DataDuringCallsPreferenceControllerTest {
         when(mTelephonyManager.createForSubscriptionId(anyInt())).thenReturn(mTelephonyManager);
         mSwitchPreference = new SwitchPreference(mContext);
         when(mPreferenceScreen.findPreference(PREF_KEY)).thenReturn(mSwitchPreference);
-        mController = new DataDuringCallsPreferenceController(mContext, PREF_KEY) {
+        mController = new AutoDataSwitchPreferenceController(mContext, PREF_KEY) {
             @Override
-            protected boolean hasMobileData() { return true; }
+            protected boolean hasMobileData() {
+                return true;
+            }
         };
         mController.init(SUB_ID_1);
     }
@@ -79,8 +81,8 @@ public class DataDuringCallsPreferenceControllerTest {
     @Test
     public void getAvailabilityStatus_noInit_notAvailable() {
         ShadowSubscriptionManager.setDefaultDataSubscriptionId(SUB_ID_1);
-        DataDuringCallsPreferenceController controller =
-                new DataDuringCallsPreferenceController(mContext, PREF_KEY);
+        AutoDataSwitchPreferenceController controller =
+                new AutoDataSwitchPreferenceController(mContext, PREF_KEY);
 
         // note that we purposely don't call init first on the controller
         assertThat(controller.getAvailabilityStatus(INVALID_SUBSCRIPTION_ID)).isEqualTo(
diff --git a/tests/unit/src/com/android/settings/network/InternetPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/InternetPreferenceControllerTest.java
index da62837143f..6d9e49db9c2 100644
--- a/tests/unit/src/com/android/settings/network/InternetPreferenceControllerTest.java
+++ b/tests/unit/src/com/android/settings/network/InternetPreferenceControllerTest.java
@@ -22,6 +22,7 @@ import static com.android.settings.network.InternetUpdater.INTERNET_WIFI;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
@@ -37,6 +38,7 @@ import android.net.NetworkScoreManager;
 import android.net.wifi.WifiManager;
 import android.os.Handler;
 import android.os.Looper;
+import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 
 import androidx.lifecycle.Lifecycle;
@@ -46,6 +48,8 @@ import androidx.preference.PreferenceScreen;
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
+import com.android.settings.testutils.ResourcesUtils;
+
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
@@ -145,7 +149,31 @@ public class InternetPreferenceControllerTest {
         final SubscriptionManager subscriptionManager = mock(SubscriptionManager.class);
         when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(subscriptionManager);
         when(subscriptionManager.getDefaultDataSubscriptionInfo()).thenReturn(null);
+        when(subscriptionManager.getActiveSubscriptionInfo(anyInt())).thenReturn(null);
 
         mController.updateCellularSummary();
     }
+
+    @Test
+    public void updateCellularSummary_getActiveSubscriptionInfo_cbrs() {
+        mController.displayPreference(mScreen);
+        final SubscriptionManager subscriptionManager = mock(SubscriptionManager.class);
+        final SubscriptionInfo defaultSubInfo = mock(SubscriptionInfo.class);
+        final SubscriptionInfo activeSubInfo = mock(SubscriptionInfo.class);
+        final String expectedSummary =
+                ResourcesUtils.getResourcesString(mContext, "mobile_data_temp_using", "");
+
+        when(mContext.getSystemService(SubscriptionManager.class)).thenReturn(subscriptionManager);
+        when(subscriptionManager.getDefaultDataSubscriptionInfo()).thenReturn(defaultSubInfo);
+
+        when(subscriptionManager.getActiveSubscriptionInfo(anyInt())).thenReturn(activeSubInfo);
+        when(subscriptionManager.isSubscriptionVisible(activeSubInfo)).thenReturn(false);
+
+        mController.updateCellularSummary();
+        assertThat(mPreference.getSummary()).isEqualTo("");
+
+        when(subscriptionManager.isSubscriptionVisible(activeSubInfo)).thenReturn(true);
+        mController.updateCellularSummary();
+        assertThat(mPreference.getSummary()).isEqualTo(expectedSummary);
+    }
 }