diff --git a/api/current.txt b/api/current.txt
index a18fab7ef8652..f97e5f656afdf 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -45898,6 +45898,7 @@ package android.telephony {
     method public String getMmsUserAgent();
     method @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public String getNai();
     method public String getNetworkCountryIso();
+    method @NonNull public String getNetworkCountryIso(int);
     method public String getNetworkOperator();
     method public String getNetworkOperatorName();
     method @RequiresPermission(anyOf={"android.permission.READ_PRIVILEGED_PHONE_STATE", android.Manifest.permission.READ_PRECISE_PHONE_STATE}) public int getNetworkSelectionMode();
diff --git a/api/system-current.txt b/api/system-current.txt
index 4340ae022c9ef..fa306bf468b2c 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9340,7 +9340,6 @@ package android.telephony {
     method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public java.util.Map<java.lang.Integer,java.lang.Integer> getLogicalToPhysicalSlotMapping();
     method public int getMaxNumberOfSimultaneouslyActiveSims();
     method public static long getMaxNumberVerificationTimeoutMillis();
-    method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getNetworkCountryIso(int);
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public long getPreferredNetworkTypeBitmask();
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public int getRadioPowerState();
     method public int getSimApplicationState();
diff --git a/api/test-current.txt b/api/test-current.txt
index b7c55c0df678e..0fd09cbe9d4ce 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -3247,7 +3247,6 @@ package android.telephony {
     method @NonNull public java.util.List<android.telephony.data.ApnSetting> getDevicePolicyOverrideApns(@NonNull android.content.Context);
     method @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public int getEmergencyNumberDbVersion();
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public String getLine1AlphaTag();
-    method @NonNull @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public String getNetworkCountryIso(int);
     method public android.util.Pair<java.lang.Integer,java.lang.Integer> getRadioHalVersion();
     method public boolean modifyDevicePolicyOverrideApn(@NonNull android.content.Context, int, @NonNull android.telephony.data.ApnSetting);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void refreshUiccProfile();
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 017c52d8377ab..86b061512f1f8 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -2712,39 +2712,22 @@ public class TelephonyManager {
     /**
      * Returns the ISO-3166 country code equivalent of the MCC (Mobile Country Code) of the current
      * registered operator or the cell nearby, if available.
-     * <p>
-     * The ISO-3166 country code is provided in lowercase 2 character format.
-     * <p>
-     * Note: In multi-sim, this returns a shared emergency network country iso from other
-     * subscription if the subscription used to create the TelephonyManager doesn't camp on
-     * a network due to some reason (e.g. pin/puk locked), or sim is absent in the corresponding
-     * slot.
+     *
      * Note: Result may be unreliable on CDMA networks (use {@link #getPhoneType()} to determine
      * if on a CDMA network).
      * <p>
      * @return the lowercase 2 character ISO-3166 country code, or empty string if not available.
      */
     public String getNetworkCountryIso() {
-        try {
-            ITelephony telephony = getITelephony();
-            if (telephony == null) return "";
-            return telephony.getNetworkCountryIsoForPhone(getPhoneId(),
-                    null /* no permission check */, null);
-        } catch (RemoteException ex) {
-            return "";
-        }
+        return getNetworkCountryIso(getSlotIndex());
     }
 
     /**
      * Returns the ISO-3166 country code equivalent of the MCC (Mobile Country Code) of the current
-     * registered operator or the cell nearby, if available.
-     * <p>
-     * The ISO-3166 country code is provided in lowercase 2 character format.
-     * <p>
-     * Note: In multi-sim, this returns a shared emergency network country iso from other
-     * subscription if the subscription used to create the TelephonyManager doesn't camp on
-     * a network due to some reason (e.g. pin/puk locked), or sim is absent in the corresponding
-     * slot.
+     * registered operator or the cell nearby, if available. This is same as
+     * {@link #getNetworkCountryIso()} but allowing specifying the SIM slot index. This is used for
+     * accessing network country info from the SIM slot that does not have SIM inserted.
+     *
      * Note: Result may be unreliable on CDMA networks (use {@link #getPhoneType()} to determine
      * if on a CDMA network).
      * <p>
@@ -2755,22 +2738,18 @@ public class TelephonyManager {
      *
      * @throws IllegalArgumentException when the slotIndex is invalid.
      *
-     * {@hide}
      */
-    @SystemApi
-    @TestApi
     @NonNull
-    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
     public String getNetworkCountryIso(int slotIndex) {
         try {
-            if (!SubscriptionManager.isValidSlotIndex(slotIndex)) {
+            if (slotIndex != SubscriptionManager.DEFAULT_SIM_SLOT_INDEX
+                    && !SubscriptionManager.isValidSlotIndex(slotIndex)) {
                 throw new IllegalArgumentException("invalid slot index " + slotIndex);
             }
 
             ITelephony telephony = getITelephony();
             if (telephony == null) return "";
-            return telephony.getNetworkCountryIsoForPhone(slotIndex, getOpPackageName(),
-                    getFeatureId());
+            return telephony.getNetworkCountryIsoForPhone(slotIndex);
         } catch (RemoteException ex) {
             return "";
         }
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index b85814aa1e7ff..9f06734989b34 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -282,7 +282,7 @@ interface ITelephony {
      * operator's MCC (Mobile Country Code).
      * @see android.telephony.TelephonyManager#getNetworkCountryIso
      */
-    String getNetworkCountryIsoForPhone(int phoneId, String callingPkg, String callingFeatureId);
+    String getNetworkCountryIsoForPhone(int phoneId);
 
     /**
      * Returns the neighboring cell information of the device.