diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt
index decf05ab..c66b3eb0 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt
@@ -251,7 +251,7 @@ class ThreadActivity : SimpleActivity() {
 
             if (!it.read) {
                 hadUnreadItems = true
-                markSMSRead(it.id)
+                markMessageRead(it)
             }
         }
 
@@ -316,6 +316,14 @@ class ThreadActivity : SimpleActivity() {
         showSelectedContacts()
     }
 
+    private fun markMessageRead(message: Message) {
+        if (message.isMMS) {
+            markMMSRead(message.id)
+        } else {
+            markSMSRead(message.id)
+        }
+    }
+
     @Subscribe(threadMode = ThreadMode.ASYNC)
     fun refreshMessages(event: Events.RefreshMessages) {
         messages = getMessages(threadId)
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
index e2f2a502..90b2b687 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
@@ -60,7 +60,8 @@ fun Context.getMessages(threadId: Int? = null): ArrayList<Message> {
         val read = cursor.getIntValue(Sms.READ) == 1
         val thread = cursor.getIntValue(Sms.THREAD_ID)
         val participant = Contact(0, senderName, "", senderNumber, false)
-        val message = Message(id, body, type, arrayListOf(participant), date, read, thread, null)
+        val isMMS = false
+        val message = Message(id, body, type, arrayListOf(participant), date, read, thread, isMMS, null)
         messages.add(message)
     }
 
@@ -75,7 +76,7 @@ fun Context.getMessages(threadId: Int? = null): ArrayList<Message> {
 }
 
 // as soon as a message contains multiple recipients it count as an MMS instead of SMS
-fun Context.getMMS(threadId: Int? = null): ArrayList<Message> {
+fun Context.getMMS(threadId: Int? = null, sortOrder: String? = null): ArrayList<Message> {
     val uri = Mms.CONTENT_URI
     val projection = arrayOf(
         Mms._ID,
@@ -99,15 +100,16 @@ fun Context.getMMS(threadId: Int? = null): ArrayList<Message> {
 
     val messages = ArrayList<Message>()
     val contactsMap = HashMap<Int, Contact>()
-    queryCursor(uri, projection, selection, selectionArgs, showErrors = true) { cursor ->
+    queryCursor(uri, projection, selection, selectionArgs, sortOrder, showErrors = true) { cursor ->
         val id = cursor.getIntValue(Mms._ID)
         val type = cursor.getIntValue(Mms.MESSAGE_BOX)
         val date = cursor.getLongValue(Mms.DATE).toInt()
         val read = cursor.getIntValue(Mms.READ) == 1
         val thread = cursor.getIntValue(Mms.THREAD_ID)
         val participants = getThreadParticipants(thread, contactsMap)
+        val isMMS = true
         val attachment = getMmsAttachment(id)
-        val message = Message(id, attachment?.text ?: "", type, participants, date, read, thread, attachment)
+        val message = Message(id, attachment?.text ?: "", type, participants, date, read, thread, isMMS, attachment)
         messages.add(message)
 
         participants.forEach {
@@ -149,6 +151,11 @@ fun Context.getMmsAttachment(id: Int): MessageAttachment? {
     return attachment
 }
 
+fun Context.getLatestMMS(): Message? {
+    val sortOrder = "${Mms.DATE} DESC LIMIT 1"
+    return getMMS(sortOrder = sortOrder).firstOrNull()
+}
+
 fun Context.getThreadParticipants(threadId: Int, contactsMap: HashMap<Int, Contact>?): ArrayList<Contact> {
     val uri = Uri.parse("${MmsSms.CONTENT_CONVERSATIONS_URI}?simple=true")
     val projection = arrayOf(
@@ -369,6 +376,16 @@ fun Context.markSMSRead(id: Int) {
     contentResolver.update(uri, contentValues, selection, selectionArgs)
 }
 
+fun Context.markMMSRead(id: Int) {
+    val uri = Mms.CONTENT_URI
+    val contentValues = ContentValues().apply {
+        put(Mms.READ, 1)
+    }
+    val selection = "${Mms._ID} = ? AND ${Mms.READ} = ?"
+    val selectionArgs = arrayOf(id.toString(), "0")
+    contentResolver.update(uri, contentValues, selection, selectionArgs)
+}
+
 @SuppressLint("NewApi")
 fun Context.getThreadId(address: String): Long {
     return if (isMarshmallowPlus()) {
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/Message.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/Message.kt
index 3f34f8bd..7a639656 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/Message.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/models/Message.kt
@@ -5,7 +5,7 @@ import com.simplemobiletools.smsmessenger.extensions.getThreadTitle
 
 data class Message(
     val id: Int, val body: String, val type: Int, val participants: ArrayList<Contact>, val date: Int, val read: Boolean, val thread: Int,
-    val attachment: MessageAttachment?
+    val isMMS: Boolean, val attachment: MessageAttachment?
 ) : ThreadItem() {
     fun isReceivedMessage() = type == Telephony.Sms.MESSAGE_TYPE_INBOX