diff --git a/telephony/java/android/telephony/satellite/SatelliteManager.java b/telephony/java/android/telephony/satellite/SatelliteManager.java
index 8a8a37618bcbf..20f9bc8bef055 100644
--- a/telephony/java/android/telephony/satellite/SatelliteManager.java
+++ b/telephony/java/android/telephony/satellite/SatelliteManager.java
@@ -862,7 +862,7 @@ public class SatelliteManager {
      *
      * @param token The token to be used as a unique identifier for provisioning with satellite
      *              gateway.
-     * @param regionId The region ID for the device's current location.
+     * @param provisionData Data from the provisioning app that can be used by provisioning server
      * @param cancellationSignal The optional signal used by the caller to cancel the provision
      *                           request. Even when the cancellation is signaled, Telephony will
      *                           still trigger the callback to return the result of this request.
@@ -874,13 +874,14 @@ public class SatelliteManager {
      */
     @RequiresPermission(Manifest.permission.SATELLITE_COMMUNICATION)
     @UnsupportedAppUsage
-    public void provisionSatelliteService(@NonNull String token, @NonNull String regionId,
+    public void provisionSatelliteService(@NonNull String token, @NonNull byte[] provisionData,
             @Nullable CancellationSignal cancellationSignal,
             @NonNull @CallbackExecutor Executor executor,
             @SatelliteError @NonNull Consumer<Integer> resultListener) {
         Objects.requireNonNull(token);
         Objects.requireNonNull(executor);
         Objects.requireNonNull(resultListener);
+        Objects.requireNonNull(provisionData);
 
         ICancellationSignal cancelRemote = null;
         try {
@@ -893,7 +894,7 @@ public class SatelliteManager {
                                 () -> resultListener.accept(result)));
                     }
                 };
-                cancelRemote = telephony.provisionSatelliteService(mSubId, token, regionId,
+                cancelRemote = telephony.provisionSatelliteService(mSubId, token, provisionData,
                         errorCallback);
             } else {
                 throw new IllegalStateException("telephony service is null.");
diff --git a/telephony/java/android/telephony/satellite/stub/ISatellite.aidl b/telephony/java/android/telephony/satellite/stub/ISatellite.aidl
index d3ff5685d3e25..ea4e2e2ef1b90 100644
--- a/telephony/java/android/telephony/satellite/stub/ISatellite.aidl
+++ b/telephony/java/android/telephony/satellite/stub/ISatellite.aidl
@@ -203,7 +203,7 @@ oneway interface ISatellite {
      *
      * @param token The token to be used as a unique identifier for provisioning with satellite
      *              gateway.
-     * @param regionId The region ID for the device's current location.
+     * @param provisionData Data from the provisioning app that can be used by provisioning server
      * @param resultCallback The callback to receive the error code result of the operation.
      *
      * Valid error codes returned:
@@ -219,7 +219,7 @@ oneway interface ISatellite {
      *   SatelliteError:REQUEST_ABORTED
      *   SatelliteError:NETWORK_TIMEOUT
      */
-    void provisionSatelliteService(in String token, in String regionId,
+    void provisionSatelliteService(in String token, in byte[] provisionData,
             in IIntegerConsumer resultCallback);
 
     /**
diff --git a/telephony/java/android/telephony/satellite/stub/SatelliteImplBase.java b/telephony/java/android/telephony/satellite/stub/SatelliteImplBase.java
index 1788563e35968..17d026cc8c1c1 100644
--- a/telephony/java/android/telephony/satellite/stub/SatelliteImplBase.java
+++ b/telephony/java/android/telephony/satellite/stub/SatelliteImplBase.java
@@ -141,11 +141,11 @@ public class SatelliteImplBase extends SatelliteService {
         }
 
         @Override
-        public void provisionSatelliteService(String token, String regionId,
+        public void provisionSatelliteService(String token, byte[] provisionData,
                 IIntegerConsumer errorCallback) throws RemoteException {
             executeMethodAsync(
                     () -> SatelliteImplBase.this
-                            .provisionSatelliteService(token, regionId, errorCallback),
+                            .provisionSatelliteService(token, provisionData, errorCallback),
                     "provisionSatelliteService");
         }
 
@@ -421,7 +421,8 @@ public class SatelliteImplBase extends SatelliteService {
      *
      * @param token The token to be used as a unique identifier for provisioning with satellite
      *              gateway.
-     * @param regionId The region ID for the device's current location.
+     * @param provisionData Data from the provisioning app that can be used by provisioning
+     *                      server
      * @param errorCallback The callback to receive the error code result of the operation.
      *
      * Valid error codes returned:
@@ -437,7 +438,7 @@ public class SatelliteImplBase extends SatelliteService {
      *   SatelliteError:REQUEST_ABORTED
      *   SatelliteError:NETWORK_TIMEOUT
      */
-    public void provisionSatelliteService(@NonNull String token, @NonNull String regionId,
+    public void provisionSatelliteService(@NonNull String token, @NonNull byte[] provisionData,
             @NonNull IIntegerConsumer errorCallback) {
         // stub implementation
     }
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index b8900052caf68..cbdf38ae95d4f 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -2823,15 +2823,15 @@ interface ITelephony {
      * @param subId The subId of the subscription to be provisioned.
      * @param token The token to be used as a unique identifier for provisioning with satellite
      *              gateway.
-     * @param regionId The region ID for the device's current location.
+     * @provisionData Data from the provisioning app that can be used by provisioning server
      * @param callback The callback to get the result of the request.
      *
      * @return The signal transport used by callers to cancel the provision request.
      */
     @JavaPassthrough(annotation="@android.annotation.RequiresPermission("
             + "android.Manifest.permission.SATELLITE_COMMUNICATION)")
-    ICancellationSignal provisionSatelliteService(int subId, in String token, in String regionId,
-            in IIntegerConsumer callback);
+    ICancellationSignal provisionSatelliteService(int subId, in String token,
+            in byte[] provisionData, in IIntegerConsumer callback);
 
     /**
      * Unregister the subscription with the satellite provider.