diff --git a/api/current.txt b/api/current.txt
index 12b4d4b..92d5670 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -45217,7 +45217,7 @@
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setNetworkSelectionModeManual(String, boolean);
     method public boolean setOperatorBrandOverride(String);
     method public boolean setPreferredNetworkTypeToGlobal();
-    method public boolean setPreferredOpportunisticDataSubscription(int);
+    method public void setPreferredOpportunisticDataSubscription(int, boolean, @Nullable java.util.concurrent.Executor, @Nullable java.util.function.Consumer<java.lang.Integer>);
     method public void setVisualVoicemailSmsFilterSettings(android.telephony.VisualVoicemailSmsFilterSettings);
     method public boolean setVoiceMailNumber(String, String);
     method @Deprecated public void setVoicemailRingtoneUri(android.telecom.PhoneAccountHandle, android.net.Uri);
diff --git a/api/system-current.txt b/api/system-current.txt
index 7cd8c14..2c9b7aa 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7886,7 +7886,7 @@
     method public void requestEmbeddedSubscriptionInfoListRefresh(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultDataSubId(int);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDefaultSmsSubId(int);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setPreferredDataSubscriptionId(int, boolean, @NonNull java.util.concurrent.Executor, java.util.function.Consumer<java.lang.Integer>);
+    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setPreferredDataSubscriptionId(int, boolean, @Nullable java.util.concurrent.Executor, @Nullable java.util.function.Consumer<java.lang.Integer>);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setSubscriptionEnabled(int, boolean);
     field @NonNull public static final android.net.Uri ADVANCED_CALLING_ENABLED_CONTENT_URI;
     field public static final int PROFILE_CLASS_DEFAULT = -1; // 0xffffffff
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index d7a0e50..8edc5b4 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2600,7 +2600,7 @@
     @SystemApi
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
     public void setPreferredDataSubscriptionId(int subId, boolean needValidation,
-            @NonNull @CallbackExecutor Executor executor, Consumer<Integer> callback) {
+            @Nullable @CallbackExecutor Executor executor, @Nullable  Consumer<Integer> callback) {
         if (VDBG) logd("[setPreferredDataSubscriptionId]+ subId:" + subId);
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -2609,10 +2609,11 @@
             ISetOpportunisticDataCallback callbackStub = new ISetOpportunisticDataCallback.Stub() {
                 @Override
                 public void onComplete(int result) {
+                    if (executor == null || callback == null) {
+                        return;
+                    }
                     Binder.withCleanCallingIdentity(() -> executor.execute(() -> {
-                        if (callback != null) {
-                            callback.accept(result);
-                        }
+                        callback.accept(result);
                     }));
                 }
             };
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 0b003dc..04f3c6b 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -81,6 +81,7 @@
 import com.android.internal.telephony.INumberVerificationCallback;
 import com.android.internal.telephony.IOns;
 import com.android.internal.telephony.IPhoneSubInfo;
+import com.android.internal.telephony.ISetOpportunisticDataCallback;
 import com.android.internal.telephony.ITelephony;
 import com.android.internal.telephony.ITelephonyRegistry;
 import com.android.internal.telephony.OperatorInfo;
@@ -98,6 +99,7 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.Executor;
+import java.util.function.Consumer;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -10185,21 +10187,40 @@
      * @param subId which opportunistic subscription
      * {@link SubscriptionManager#getOpportunisticSubscriptions} is preferred for cellular data.
      * Pass {@link SubscriptionManager#DEFAULT_SUBSCRIPTION_ID} to unset the preference
-     * @return true if request is accepted, else false.
+     * @param needValidation whether validation is needed before switch happens.
+     * @param executor The executor of where the callback will execute.
+     * @param callback Callback will be triggered once it succeeds or failed.
+     *                 See {@link TelephonyManager.SetOpportunisticSubscriptionResult}
+     *                 for more details. Pass null if don't care about the result.
      *
      */
-    public boolean setPreferredOpportunisticDataSubscription(int subId) {
+    public void setPreferredOpportunisticDataSubscription(int subId, boolean needValidation,
+            @Nullable @CallbackExecutor Executor executor, @Nullable Consumer<Integer> callback) {
         String pkgForDebug = mContext != null ? mContext.getOpPackageName() : "<unknown>";
         try {
             IOns iOpportunisticNetworkService = getIOns();
-            if (iOpportunisticNetworkService != null) {
-                return iOpportunisticNetworkService
-                        .setPreferredDataSubscriptionId(subId, pkgForDebug);
+            if (iOpportunisticNetworkService == null) {
+                return;
             }
+            ISetOpportunisticDataCallback callbackStub = new ISetOpportunisticDataCallback.Stub() {
+                @Override
+                public void onComplete(int result) {
+                    if (executor == null || callback == null) {
+                        return;
+                    }
+                    Binder.withCleanCallingIdentity(() -> executor.execute(() -> {
+                        callback.accept(result);
+                    }));
+                }
+            };
+
+            iOpportunisticNetworkService
+                    .setPreferredDataSubscriptionId(subId, needValidation, callbackStub,
+                            pkgForDebug);
         } catch (RemoteException ex) {
             Rlog.e(TAG, "setPreferredDataSubscriptionId RemoteException", ex);
         }
-        return false;
+        return;
     }
 
     /**
diff --git a/telephony/java/com/android/internal/telephony/IOns.aidl b/telephony/java/com/android/internal/telephony/IOns.aidl
index 0e3d12b..0364477 100755
--- a/telephony/java/com/android/internal/telephony/IOns.aidl
+++ b/telephony/java/com/android/internal/telephony/IOns.aidl
@@ -18,6 +18,8 @@
 
 import android.telephony.AvailableNetworkInfo;
 
+import com.android.internal.telephony.ISetOpportunisticDataCallback;
+
 interface IOns {
 
     /**
@@ -62,11 +64,13 @@
      * @param subId which opportunistic subscription
      * {@link SubscriptionManager#getOpportunisticSubscriptions} is preferred for cellular data.
      * Pass {@link SubscriptionManager#DEFAULT_SUBSCRIPTION_ID} to unset the preference
+     * @param needValidation whether validation is needed before switch happens.
+     * @param callback callback upon request completion.
      * @param callingPackage caller's package name
-     * @return true if request is accepted, else false.
      *
      */
-    boolean setPreferredDataSubscriptionId(int subId, String callingPackage);
+    void setPreferredDataSubscriptionId(int subId, boolean needValidation,
+            ISetOpportunisticDataCallback callbackStub, String callingPackage);
 
     /**
      * Get preferred opportunistic data subscription Id