diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 59b3e10bcc372..c8032a276659b 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2584,6 +2584,14 @@
     <!-- Flag specifying whether or not IMS will use the dynamic ImsResolver -->
     <bool name="config_dynamic_bind_ims">false</bool>
 
+    <!-- Cellular data service package name to bind to by default. If none is specified in an overlay, an
+         empty string is passed in -->
+    <string name="config_wwan_data_service_package" translatable="false">com.android.phone</string>
+
+    <!-- IWLAN data service package name to bind to by default. If none is specified in an overlay, an
+         empty string is passed in -->
+    <string name="config_wlan_data_service_package" translatable="false"></string>
+
     <bool name="config_networkSamplingWakesDevice">true</bool>
 
     <!-- Home (non-roaming) values for CDMA roaming indicator.
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 615c6250d9327..29b09b5743181 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -268,6 +268,8 @@
   <java-symbol type="bool" name="config_dynamic_bind_ims" />
   <java-symbol type="string" name="config_wwan_network_service_package" />
   <java-symbol type="string" name="config_wlan_network_service_package" />
+  <java-symbol type="string" name="config_wwan_data_service_package" />
+  <java-symbol type="string" name="config_wlan_data_service_package" />
   <java-symbol type="bool" name="config_networkSamplingWakesDevice" />
   <java-symbol type="bool" name="config_showMenuShortcutsWhenKeyboardPresent" />
   <java-symbol type="bool" name="config_sip_wifi_only" />
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index c09c5acf99740..7eb691be9d25c 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -520,6 +520,20 @@ public class CarrierConfigManager {
     public static final String KEY_CARRIER_VOLTE_OVERRIDE_WFC_PROVISIONING_BOOL
             = "carrier_volte_override_wfc_provisioning_bool";
 
+    /**
+     * Override the device's configuration for the cellular data service to use for this SIM card.
+     * @hide
+     */
+    public static final String KEY_CARRIER_DATA_SERVICE_WWAN_PACKAGE_OVERRIDE_STRING
+            = "carrier_data_service_wwan_package_override_string";
+
+    /**
+     * Override the device's configuration for the IWLAN data service to use for this SIM card.
+     * @hide
+     */
+    public static final String KEY_CARRIER_DATA_SERVICE_WLAN_PACKAGE_OVERRIDE_STRING
+            = "carrier_data_service_wlan_package_override_string";
+
     /** Flag specifying whether VoLTE TTY is supported. */
     public static final String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL
             = "carrier_volte_tty_supported_bool";
@@ -1864,6 +1878,8 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_CARRIER_USE_IMS_FIRST_FOR_EMERGENCY_BOOL, true);
         sDefaults.putString(KEY_CARRIER_NETWORK_SERVICE_WWAN_PACKAGE_OVERRIDE_STRING, "");
         sDefaults.putString(KEY_CARRIER_NETWORK_SERVICE_WLAN_PACKAGE_OVERRIDE_STRING, "");
+        sDefaults.putString(KEY_CARRIER_DATA_SERVICE_WWAN_PACKAGE_OVERRIDE_STRING, "");
+        sDefaults.putString(KEY_CARRIER_DATA_SERVICE_WLAN_PACKAGE_OVERRIDE_STRING, "");
         sDefaults.putString(KEY_CARRIER_INSTANT_LETTERING_INVALID_CHARS_STRING, "");
         sDefaults.putString(KEY_CARRIER_INSTANT_LETTERING_ESCAPED_CHARS_STRING, "");
         sDefaults.putString(KEY_CARRIER_INSTANT_LETTERING_ENCODING_STRING, "");
diff --git a/telephony/java/android/telephony/data/DataService.java b/telephony/java/android/telephony/data/DataService.java
index 63e8c3b07fcb7..e8c1cb11c0ddf 100644
--- a/telephony/java/android/telephony/data/DataService.java
+++ b/telephony/java/android/telephony/data/DataService.java
@@ -34,6 +34,8 @@ import android.telephony.AccessNetworkConstants;
 import android.telephony.Rlog;
 import android.util.SparseArray;
 
+import com.android.internal.annotations.VisibleForTesting;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
@@ -105,7 +107,9 @@ public abstract class DataService extends Service {
 
     private final SparseArray<DataServiceProvider> mServiceMap = new SparseArray<>();
 
-    private final IBinder mBinder = new IDataServiceWrapper();
+    /** @hide */
+    @VisibleForTesting
+    public final IDataServiceWrapper mBinder = new IDataServiceWrapper();
 
     /**
      * The abstract class of the actual data service implementation. The data service provider
diff --git a/telephony/java/com/android/internal/telephony/DctConstants.java b/telephony/java/com/android/internal/telephony/DctConstants.java
index 91032f3420458..d999c13bb37f9 100644
--- a/telephony/java/com/android/internal/telephony/DctConstants.java
+++ b/telephony/java/com/android/internal/telephony/DctConstants.java
@@ -108,6 +108,7 @@ public class DctConstants {
     public static final int EVENT_SET_CARRIER_DATA_ENABLED = BASE + 46;
     public static final int EVENT_DATA_RECONNECT = BASE + 47;
     public static final int EVENT_ROAMING_SETTING_CHANGE = BASE + 48;
+    public static final int EVENT_DATA_SERVICE_BINDING_CHANGED = BASE + 49;
 
     /***** Constants *****/