diff --git a/api/current.txt b/api/current.txt
index ac69f6fa6b6021b871297c0b2d34e5cbae1159cf..3201bba497412762ecd6fb010c9ac5a81200d9b9 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -9996,6 +9996,7 @@ package android.content {
     field public static final String MEDIA_ROUTER_SERVICE = "media_router";
     field public static final String MEDIA_SESSION_SERVICE = "media_session";
     field public static final String MIDI_SERVICE = "midi";
+    field public static final String MMS_SERVICE = "mms";
     field public static final int MODE_APPEND = 32768; // 0x8000
     field public static final int MODE_ENABLE_WRITE_AHEAD_LOGGING = 8; // 0x8
     field @Deprecated public static final int MODE_MULTI_PROCESS = 4; // 0x4
@@ -45459,6 +45460,11 @@ package android.telephony {
     method @Nullable public android.telephony.mbms.StreamingService startStreaming(android.telephony.mbms.StreamingServiceInfo, @NonNull java.util.concurrent.Executor, android.telephony.mbms.StreamingServiceCallback);
   }
 
+  public final class MmsManager {
+    method public void downloadMultimediaMessage(int, @NonNull String, @NonNull android.net.Uri, @Nullable android.os.Bundle, @Nullable android.app.PendingIntent);
+    method public void sendMultimediaMessage(int, @NonNull android.net.Uri, @Nullable String, @Nullable android.os.Bundle, @Nullable android.app.PendingIntent);
+  }
+
   @Deprecated public class NeighboringCellInfo implements android.os.Parcelable {
     ctor @Deprecated public NeighboringCellInfo();
     ctor @Deprecated public NeighboringCellInfo(int, int);
@@ -45695,8 +45701,8 @@ package android.telephony {
     method public String createAppSpecificSmsToken(android.app.PendingIntent);
     method @Nullable public String createAppSpecificSmsTokenWithPackageInfo(@Nullable String, @NonNull android.app.PendingIntent);
     method public java.util.ArrayList<java.lang.String> divideMessage(String);
-    method public void downloadMultimediaMessage(android.content.Context, String, android.net.Uri, android.os.Bundle, android.app.PendingIntent);
-    method @Nullable public android.os.Bundle getCarrierConfigValues();
+    method @Deprecated public void downloadMultimediaMessage(android.content.Context, String, android.net.Uri, android.os.Bundle, android.app.PendingIntent);
+    method @NonNull public android.os.Bundle getCarrierConfigValues();
     method public static android.telephony.SmsManager getDefault();
     method public static int getDefaultSmsSubscriptionId();
     method public static android.telephony.SmsManager getSmsManagerForSubscriptionId(int);
@@ -45705,7 +45711,7 @@ package android.telephony {
     method public int getSubscriptionId();
     method public void injectSmsPdu(byte[], String, android.app.PendingIntent);
     method public void sendDataMessage(String, String, short, byte[], android.app.PendingIntent, android.app.PendingIntent);
-    method public void sendMultimediaMessage(android.content.Context, android.net.Uri, String, android.os.Bundle, android.app.PendingIntent);
+    method @Deprecated public void sendMultimediaMessage(android.content.Context, android.net.Uri, String, android.os.Bundle, android.app.PendingIntent);
     method public void sendMultipartTextMessage(String, String, java.util.ArrayList<java.lang.String>, java.util.ArrayList<android.app.PendingIntent>, java.util.ArrayList<android.app.PendingIntent>);
     method public void sendTextMessage(String, String, String, android.app.PendingIntent, android.app.PendingIntent);
     method @RequiresPermission(allOf={android.Manifest.permission.MODIFY_PHONE_STATE, android.Manifest.permission.SEND_SMS}) public void sendTextMessageWithoutPersisting(String, String, String, android.app.PendingIntent, android.app.PendingIntent);
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 4815d78471150c3ab76a0abd6f27fcce8e8f56cc..a2ad6e50510c571c98717c29499a75f6c9f0c03a 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -3391,6 +3391,7 @@ public abstract class Context {
             TELEPHONY_SUBSCRIPTION_SERVICE,
             CARRIER_CONFIG_SERVICE,
             EUICC_SERVICE,
+            MMS_SERVICE,
             TELECOM_SERVICE,
             CLIPBOARD_SERVICE,
             INPUT_METHOD_SERVICE,
@@ -3587,6 +3588,8 @@ public abstract class Context {
      * @see android.telephony.CarrierConfigManager
      * @see #EUICC_SERVICE
      * @see android.telephony.euicc.EuiccManager
+     * @see #MMS_SERVICE
+     * @see android.telephony.MmsManager
      * @see #INPUT_METHOD_SERVICE
      * @see android.view.inputmethod.InputMethodManager
      * @see #UI_MODE_SERVICE
@@ -4259,6 +4262,15 @@ public abstract class Context {
     @SystemApi
     public static final String EUICC_CARD_SERVICE = "euicc_card";
 
+    /**
+     * Use with {@link #getSystemService(String)} to retrieve a
+     * {@link android.telephony.MmsManager} to send/receive MMS messages.
+     *
+     * @see #getSystemService(String)
+     * @see android.telephony.MmsManager
+     */
+    public static final String MMS_SERVICE = "mms";
+
     /**
      * Use with {@link #getSystemService(String)} to retrieve a
      * {@link android.content.ClipboardManager} for accessing and modifying
diff --git a/mms/java/android/telephony/MmsManager.java b/mms/java/android/telephony/MmsManager.java
index 65542673a6075b381a9816212f975e7ccfeaf4b7..24ea3cfc5a75d3e805d9bc9a0704f1748f8d6785 100644
--- a/mms/java/android/telephony/MmsManager.java
+++ b/mms/java/android/telephony/MmsManager.java
@@ -16,8 +16,11 @@
 
 package android.telephony;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.ActivityThread;
 import android.app.PendingIntent;
+import android.content.Context;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.RemoteException;
@@ -27,22 +30,16 @@ import com.android.internal.telephony.IMms;
 
 /**
  * Manages MMS operations such as sending multimedia messages.
- * Get this object by calling the static method {@link #getInstance()}.
- * @hide
  */
-public class MmsManager {
+public final class MmsManager {
     private static final String TAG = "MmsManager";
-
-    /** Singleton object constructed during class initialization. */
-    private static final MmsManager sInstance = new MmsManager();
+    private final Context mContext;
 
     /**
-     * Get the MmsManager singleton instance.
-     *
-     * @return the {@link MmsManager} singleton instance.
+     * @hide
      */
-    public static MmsManager getInstance() {
-        return sInstance;
+    public MmsManager(@NonNull Context context) {
+        mContext = context;
     }
 
     /**
@@ -56,8 +53,9 @@ public class MmsManager {
      * @param sentIntent if not NULL this <code>PendingIntent</code> is broadcast when the message
      *                   is successfully sent, or failed
      */
-    public void sendMultimediaMessage(int subId, Uri contentUri, String locationUrl,
-            Bundle configOverrides, PendingIntent sentIntent) {
+    public void sendMultimediaMessage(int subId, @NonNull Uri contentUri,
+            @Nullable String locationUrl, @Nullable Bundle configOverrides,
+            @Nullable PendingIntent sentIntent) {
         try {
             final IMms iMms = IMms.Stub.asInterface(ServiceManager.getService("imms"));
             if (iMms == null) {
@@ -84,8 +82,9 @@ public class MmsManager {
      *  broadcast when the message is downloaded, or the download is failed
      * @throws IllegalArgumentException if locationUrl or contentUri is empty
      */
-    public void downloadMultimediaMessage(int subId, String locationUrl, Uri contentUri,
-            Bundle configOverrides, PendingIntent downloadedIntent) {
+    public void downloadMultimediaMessage(int subId, @NonNull String locationUrl,
+            @NonNull Uri contentUri, @Nullable Bundle configOverrides,
+            @Nullable PendingIntent downloadedIntent) {
         try {
             final IMms iMms = IMms.Stub.asInterface(ServiceManager.getService("imms"));
             if (iMms == null) {
diff --git a/telephony/java/android/telephony/SmsManager.java b/telephony/java/android/telephony/SmsManager.java
index fbe355e5c78b77bfb1238b9ab7a7d55866db688f..72ca3861155b89f30413806e74f29009a399f383 100644
--- a/telephony/java/android/telephony/SmsManager.java
+++ b/telephony/java/android/telephony/SmsManager.java
@@ -2434,14 +2434,18 @@ public final class SmsManager {
      * @param sentIntent if not NULL this <code>PendingIntent</code> is
      *  broadcast when the message is successfully sent, or failed
      * @throws IllegalArgumentException if contentUri is empty
+     * @deprecated use {@link MmsManager#sendMultimediaMessage} instead.
      */
     public void sendMultimediaMessage(Context context, Uri contentUri, String locationUrl,
             Bundle configOverrides, PendingIntent sentIntent) {
         if (contentUri == null) {
             throw new IllegalArgumentException("Uri contentUri null");
         }
-        MmsManager.getInstance().sendMultimediaMessage(getSubscriptionId(), contentUri,
-                    locationUrl, configOverrides, sentIntent);
+        MmsManager m = (MmsManager) context.getSystemService(Context.MMS_SERVICE);
+        if (m != null) {
+            m.sendMultimediaMessage(getSubscriptionId(), contentUri, locationUrl, configOverrides,
+                    sentIntent);
+        }
     }
 
     /**
@@ -2465,6 +2469,7 @@ public final class SmsManager {
      * @param downloadedIntent if not NULL this <code>PendingIntent</code> is
      *  broadcast when the message is downloaded, or the download is failed
      * @throws IllegalArgumentException if locationUrl or contentUri is empty
+     * @deprecated use {@link MmsManager#downloadMultimediaMessage} instead.
      */
     public void downloadMultimediaMessage(Context context, String locationUrl, Uri contentUri,
             Bundle configOverrides, PendingIntent downloadedIntent) {
@@ -2474,8 +2479,11 @@ public final class SmsManager {
         if (contentUri == null) {
             throw new IllegalArgumentException("Uri contentUri null");
         }
-        MmsManager.getInstance().downloadMultimediaMessage(getSubscriptionId(), locationUrl,
-                contentUri, configOverrides, downloadedIntent);
+        MmsManager m = (MmsManager) context.getSystemService(Context.MMS_SERVICE);
+        if (m != null) {
+            m.downloadMultimediaMessage(getSubscriptionId(), locationUrl, contentUri,
+                    configOverrides, downloadedIntent);
+        }
     }
 
     // MMS send/download failure result codes
@@ -2517,9 +2525,9 @@ public final class SmsManager {
      * </p>
      *
      * @return the bundle key/values pairs that contains MMS configuration values
+     *  or an empty bundle if they cannot be found.
      */
-    @Nullable
-    public Bundle getCarrierConfigValues() {
+    @NonNull public Bundle getCarrierConfigValues() {
         try {
             ISms iSms = getISmsService();
             if (iSms != null) {
@@ -2528,7 +2536,7 @@ public final class SmsManager {
         } catch (RemoteException ex) {
             // ignore it
         }
-        return null;
+        return new Bundle();
     }
 
     /**