diff --git a/api/system-current.txt b/api/system-current.txt
index dfcae63f164e0..f049e6f248f0d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -6097,6 +6097,7 @@ package android.telephony {
     method public boolean getEmergencyCallbackMode();
     method public java.lang.String getIsimDomain();
     method public int getPreferredNetworkType(int);
+    method public int getPreferredNetworkTypeBitmap();
     method public int getRadioPowerState();
     method public int getSimApplicationState();
     method public int getSimCardState();
@@ -6125,6 +6126,7 @@ package android.telephony {
     method public void setDataActivationState(int);
     method public deprecated void setDataEnabled(int, boolean);
     method public void setDataRoamingEnabled(boolean);
+    method public boolean setPreferredNetworkTypeBitmap(int);
     method public boolean setRadio(boolean);
     method public boolean setRadioPower(boolean);
     method public void setSimPowerState(int);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index c7df36b62a798..e5291cbb2f261 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -6382,8 +6382,9 @@ public class TelephonyManager {
     public @PrefNetworkMode int getPreferredNetworkType(int subId) {
         try {
             ITelephony telephony = getITelephony();
-            if (telephony != null)
+            if (telephony != null) {
                 return telephony.getPreferredNetworkType(subId);
+            }
         } catch (RemoteException ex) {
             Rlog.e(TAG, "getPreferredNetworkType RemoteException", ex);
         } catch (NullPointerException ex) {
@@ -6392,6 +6393,37 @@ public class TelephonyManager {
         return -1;
     }
 
+    /**
+     * Get the preferred network type bitmap.
+     *
+     * <p>If this object has been created with {@link #createForSubscriptionId}, applies to the
+     * given subId. Otherwise, applies to {@link SubscriptionManager#getDefaultSubscriptionId()}
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE READ_PRIVILEGED_PHONE_STATE}
+     * or that the calling app has carrier privileges (see {@link #hasCarrierPrivileges}).
+     *
+     * @return a 32-bit bitmap.
+     *
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    @SystemApi
+    public @NetworkTypeBitMask int getPreferredNetworkTypeBitmap() {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return RadioAccessFamily.getRafFromNetworkType(
+                        telephony.getPreferredNetworkType(getSubId()));
+            }
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "getPreferredNetworkTypeBitmap RemoteException", ex);
+        } catch (NullPointerException ex) {
+            Rlog.e(TAG, "getPreferredNetworkTypeBitmap NPE", ex);
+        }
+        return 0;
+    }
+
     /**
      * Sets the network selection mode to automatic.
      *
@@ -6606,6 +6638,37 @@ public class TelephonyManager {
         return false;
     }
 
+    /**
+     * Set the preferred network type bitmap.
+     *
+     * <p>If this object has been created with {@link #createForSubscriptionId}, applies to the
+     * given subId. Otherwise, applies to {@link SubscriptionManager#getDefaultSubscriptionId()}
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE} or that the calling
+     * app has carrier privileges (see {@link #hasCarrierPrivileges}).
+     *
+     * @param networkTypeBitmap a 32-bit bitmap.
+     * @return true on success; false on any failure.
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
+    @SystemApi
+    public boolean setPreferredNetworkTypeBitmap(@NetworkTypeBitMask int networkTypeBitmap) {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.setPreferredNetworkType(
+                        getSubId(), RadioAccessFamily.getNetworkTypeFromRaf(networkTypeBitmap));
+            }
+        } catch (RemoteException ex) {
+            Rlog.e(TAG, "setPreferredNetworkType RemoteException", ex);
+        } catch (NullPointerException ex) {
+            Rlog.e(TAG, "setPreferredNetworkType NPE", ex);
+        }
+        return false;
+    }
+
     /**
      * Set the preferred network type to global mode which includes LTE, CDMA, EvDo and GSM/WCDMA.
      *