diff --git a/api/system-current.txt b/api/system-current.txt
index ed87c0f040337..764a386e45ef8 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9244,6 +9244,8 @@ package android.telephony {
   public class SubscriptionManager {
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean canDisablePhysicalSubscription();
     method public boolean canManageSubscription(@Nullable android.telephony.SubscriptionInfo, @Nullable String);
+    method @NonNull public int[] getActiveAndHiddenSubscriptionIdList();
+    method @NonNull public int[] getActiveSubscriptionIdList();
     method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public android.telephony.SubscriptionInfo getActiveSubscriptionInfoForIcc(@NonNull String);
     method public java.util.List<android.telephony.SubscriptionInfo> getAvailableSubscriptionInfoList();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getEnabledSubscriptionId(int);
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index f0a3bfd6b3190..af7af5f6f0acf 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1357,7 +1357,7 @@ public class TelephonyRegistry extends ITelephonyRegistry.Stub {
     public void notifyCarrierNetworkChange(boolean active) {
         // only CarrierService with carrier privilege rule should have the permission
         int[] subIds = Arrays.stream(SubscriptionManager.from(mContext)
-                    .getActiveSubscriptionIdList(false))
+                    .getActiveAndHiddenSubscriptionIdList())
                     .filter(i -> TelephonyPermissions.checkCarrierPrivilegeForSubId(mContext,
                             i)).toArray();
         if (ArrayUtils.isEmpty(subIds)) {
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 630815c72bbb7..ef035456d32a0 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -1296,6 +1296,11 @@ public class SubscriptionManager {
      * The records will be sorted by {@link SubscriptionInfo#getSimSlotIndex}
      * then by {@link SubscriptionInfo#getSubscriptionId}.
      *
+     * Hidden subscriptions refer to those are not meant visible to the users.
+     * For example, an opportunistic subscription that is grouped with other
+     * subscriptions should remain invisible to users as they are only functionally
+     * supplementary to primary ones.
+     *
      * <p>Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
      * or that the calling app has carrier privileges (see
      * {@link TelephonyManager#hasCarrierPrivileges}). In the latter case, only records accessible
@@ -2146,20 +2151,35 @@ public class SubscriptionManager {
     }
 
     /**
-     * TODO(b/137102918) Make this static, tests use this as an instance method currently.
+     * Get visible subscription Id(s) of the currently active SIM(s).
      *
      * @return the list of subId's that are active,
-     *         is never null but the length maybe 0.
+     *         is never null but the length may be 0.
      * @hide
      */
-    @UnsupportedAppUsage
+    @SystemApi
     public @NonNull int[] getActiveSubscriptionIdList() {
         return getActiveSubscriptionIdList(/* visibleOnly */ true);
     }
 
     /**
-     * TODO(b/137102918) Make this static, tests use this as an instance method currently.
+     * Get both hidden and visible subscription Id(s) of the currently active SIM(s).
      *
+     * Hidden subscriptions refer to those are not meant visible to the users.
+     * For example, an opportunistic subscription that is grouped with other
+     * subscriptions should remain invisible to users as they are only functionally
+     * supplementary to primary ones.
+     *
+     * @return the list of subId's that are active,
+     *         is never null but the length may be 0.
+     * @hide
+     */
+    @SystemApi
+    public @NonNull int[] getActiveAndHiddenSubscriptionIdList() {
+        return getActiveSubscriptionIdList(/* visibleOnly */false);
+    }
+
+    /**
      * @return a non-null list of subId's that are active.
      *
      * @hide