diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/SettingsActivity.kt
index fd4ec01f..999855fe 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/SettingsActivity.kt
@@ -38,6 +38,7 @@ class SettingsActivity : SimpleActivity() {
         setupChangeDateTimeFormat()
         setupFontSize()
         setupShowCharacterCounter()
+        setupUseSimpleCharacters()
         setupEnableDeliveryReports()
         setupLockScreenVisibility()
         setupMMSFileSizeLimit()
@@ -130,6 +131,13 @@ class SettingsActivity : SimpleActivity() {
             config.showCharacterCounter = settings_show_character_counter.isChecked
         }
     }
+    private fun setupUseSimpleCharacters() {
+        settings_use_simple_characters.isChecked = config.useSimpleCharacters
+        settings_use_simple_characters_holder.setOnClickListener {
+            settings_use_simple_characters.toggle()
+            config.useSimpleCharacters = settings_use_simple_characters.isChecked
+        }
+    }
 
     private fun setupEnableDeliveryReports() {
         settings_enable_delivery_reports.isChecked = config.enableDeliveryReports
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 351305f0..180402e5 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt
@@ -699,6 +699,8 @@ class ThreadActivity : SimpleActivity() {
             return
         }
 
+        msg = removeDiacriticsIfNeeded(msg)
+
         val numbers = ArrayList<String>()
         participants.forEach {
             it.phoneNumbers.forEach {
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 69671889..4ff626ce 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
@@ -40,6 +40,7 @@ import com.simplemobiletools.smsmessenger.receivers.MarkAsReadReceiver
 import java.io.FileNotFoundException
 import java.util.*
 import kotlin.collections.ArrayList
+import java.text.Normalizer
 import me.leolin.shortcutbadger.ShortcutBadger
 
 val Context.config: Config get() = Config.newInstance(applicationContext)
@@ -768,6 +769,10 @@ fun Context.getLockScreenVisibilityText(type: Int) = getString(
     }
 )
 
+fun Context.removeDiacriticsIfNeeded(text: String): String {
+    return if (config.useSimpleCharacters) text.normalizeString() else text
+}
+
 fun Context.getSmsDraft(threadId: Long): String? {
     val uri = Sms.Draft.CONTENT_URI
     val projection = arrayOf(Sms.BODY)
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Config.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Config.kt
index 525f8881..78670daf 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Config.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Config.kt
@@ -18,6 +18,10 @@ class Config(context: Context) : BaseConfig(context) {
         get() = prefs.getBoolean(SHOW_CHARACTER_COUNTER, false)
         set(showCharacterCounter) = prefs.edit().putBoolean(SHOW_CHARACTER_COUNTER, showCharacterCounter).apply()
 
+    var useSimpleCharacters: Boolean
+        get() = prefs.getBoolean(USE_SIMPLE_CHARACTERS, false)
+        set(useSimpleCharacters) = prefs.edit().putBoolean(USE_SIMPLE_CHARACTERS, useSimpleCharacters).apply()
+
     var enableDeliveryReports: Boolean
         get() = prefs.getBoolean(ENABLE_DELIVERY_REPORTS, true)
         set(enableDeliveryReports) = prefs.edit().putBoolean(ENABLE_DELIVERY_REPORTS, enableDeliveryReports).apply()
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Constants.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Constants.kt
index 4c57a060..9e1ec619 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Constants.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/helpers/Constants.kt
@@ -13,6 +13,7 @@ const val SEARCHED_MESSAGE_ID = "searched_message_id"
 const val USE_SIM_ID_PREFIX = "use_sim_id_"
 const val NOTIFICATION_CHANNEL = "simple_sms_messenger"
 const val SHOW_CHARACTER_COUNTER = "show_character_counter"
+const val USE_SIMPLE_CHARACTERS = "use_simple_characters"
 const val LOCK_SCREEN_VISIBILITY = "lock_screen_visibility"
 const val ENABLE_DELIVERY_REPORTS = "enable_delivery_reports"
 const val MMS_FILE_SIZE_LIMIT = "mms_file_size_limit"
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/receivers/DirectReplyReceiver.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/receivers/DirectReplyReceiver.kt
index 8a4ee30c..79e333b8 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/receivers/DirectReplyReceiver.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/receivers/DirectReplyReceiver.kt
@@ -11,6 +11,7 @@ import com.simplemobiletools.commons.extensions.showErrorToast
 import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.smsmessenger.extensions.conversationsDB
 import com.simplemobiletools.smsmessenger.extensions.markThreadMessagesRead
+import com.simplemobiletools.smsmessenger.extensions.removeDiacriticsIfNeeded
 import com.simplemobiletools.smsmessenger.helpers.REPLY
 import com.simplemobiletools.smsmessenger.helpers.THREAD_ID
 import com.simplemobiletools.smsmessenger.helpers.THREAD_NUMBER
@@ -19,7 +20,9 @@ class DirectReplyReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) {
         val address = intent.getStringExtra(THREAD_NUMBER)
         val threadId = intent.getLongExtra(THREAD_ID, 0L)
-        val msg = RemoteInput.getResultsFromIntent(intent).getCharSequence(REPLY)?.toString() ?: return
+        var msg = RemoteInput.getResultsFromIntent(intent).getCharSequence(REPLY)?.toString() ?: return
+
+        msg = context.removeDiacriticsIfNeeded(msg)
 
         val settings = Settings()
         settings.useSystemSending = true
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index 7e41cc22..77283b63 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -195,6 +195,29 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_use_simple_characters_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingStart="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingEnd="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MySwitchCompat
+                android:id="@+id/settings_use_simple_characters"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@null"
+                android:clickable="false"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/use_simple_characters"
+                app:switchPadding="@dimen/medium_margin" />
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_enable_delivery_reports_holder"
             android:layout_width="match_parent"
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 6838edbd..af8271c5 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index 6a34b6d1..16102277 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 9c90bcfb..40f69e22 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 997169a9..68124259 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Αποστολέας και μήνυμα</string>
     <string name="sender_only">Αποστολέας μόνο</string>
     <string name="enable_delivery_reports">Ενεργοποίηση αναφορών παράδοσης</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 67d182cb..a267726e 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 2e782726..ab3a4416 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 450af159..9a8e008c 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-id/strings.xml b/app/src/main/res/values-id/strings.xml
index 1f276fa3..e4217469 100644
--- a/app/src/main/res/values-id/strings.xml
+++ b/app/src/main/res/values-id/strings.xml
@@ -49,10 +49,10 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
-
     <!-- FAQ -->
     <string name="faq_1_title">Mengapa aplikasi membutuhkan akses ke internet?</string>
     <string name="faq_1_text">Sayangnya itu diperlukan untuk mengirim lampiran MMS. Tidak dapat mengirim MMS akan menjadi kerugian yang sangat besar dibandingkan dengan aplikasi lain, jadi kami memutuskan untuk menggunakan cara ini.
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 5baa593b..b1477e50 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Mittente e messaggio</string>
     <string name="sender_only">Solo mittente</string>
     <string name="enable_delivery_reports">Abilita conferma di consegna</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 871b8e60..b281ca3d 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
index 8356b483..714051b0 100644
--- a/app/src/main/res/values-lt/strings.xml
+++ b/app/src/main/res/values-lt/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-ml/strings.xml b/app/src/main/res/values-ml/strings.xml
index dbec29f0..50c2029f 100644
--- a/app/src/main/res/values-ml/strings.xml
+++ b/app/src/main/res/values-ml/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 761add6d..20889974 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Afzender en bericht</string>
     <string name="sender_only">Alleen afzender</string>
     <string name="enable_delivery_reports">Bezorgingsrapporten inschakelen</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 57ad858d..b0e73120 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -51,6 +51,7 @@
     <string name="sender_and_message">Nadawca i treść</string>
     <string name="sender_only">Tylko nadawca</string>
     <string name="enable_delivery_reports">Włącz raporty doręczeń</string>
+    <string name="use_simple_characters">Usuwaj akcenty i znaki diakrytyczne podczas wysyłania wiadomości</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 793f5c39..4f08f40e 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 4695783b..e7835b1c 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -51,6 +51,7 @@
     <string name="sender_and_message">Отправитель и сообщение</string>
     <string name="sender_only">Только отправитель</string>
     <string name="enable_delivery_reports">Использовать отчёты о доставке</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index 42276710..5c922a60 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -51,6 +51,7 @@
     <string name="sender_and_message">Odosielateľ a správa</string>
     <string name="sender_only">Iba odosielateľ</string>
     <string name="enable_delivery_reports">Povoliť správy o doručení</string>
+    <string name="use_simple_characters">Odstrániť diakritiku pri odosielaní správ</string>
     <string name="mms_file_size_limit">Zmenšiť MMS obrázky pri odosielaní</string>
     <string name="mms_file_size_limit_none">Žiadny limit</string>
 
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 04bc32ec..575b3c20 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 3527c5c4..8a5a6b46 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 08ed9cd9..c2622ff6 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df4c075d..bb24daff 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -49,6 +49,7 @@
     <string name="sender_and_message">Sender and message</string>
     <string name="sender_only">Sender only</string>
     <string name="enable_delivery_reports">Enable delivery reports</string>
+    <string name="use_simple_characters">Remove accents and diacritics at sending messages</string>
     <string name="mms_file_size_limit">Resize sent MMS images</string>
     <string name="mms_file_size_limit_none">No limit</string>