diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index 0349b1fc..28be40d9 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -104,6 +104,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">لماذا يتطلب التطبيق الوصول إلى الإنترنت؟</string>
     <string name="faq_1_text">للأسف هناك حاجة لإرسال مرفقات رسائل الوسائط . عدم القدرة على إرسال رسائل الوسائط هذا سيكون عيبا كبيرا حقا بالمقارنة مع التطبيقات الأخرى ، لذلك قررنا الذهاب من هذا الطريق. ومع ذلك ، كما هو الحال عادة ، لا توجد إعلانات أو تتبع أو تحليلات للنشاط على الإطلاق ، يتم استخدام صلاحية الإنترنت فقط لإرسال رسائل الوسائط المتعددة.</string>
diff --git a/app/src/main/res/values-az/strings.xml b/app/src/main/res/values-az/strings.xml
index 575dc717..866b6187 100644
--- a/app/src/main/res/values-az/strings.xml
+++ b/app/src/main/res/values-az/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-be/strings.xml b/app/src/main/res/values-be/strings.xml
index 2a12a696..c29760c1 100644
--- a/app/src/main/res/values-be/strings.xml
+++ b/app/src/main/res/values-be/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Чаму прыкладанне патрабуе доступ у Інтэрнет\?</string>
     <string name="faq_1_text">На жаль, гэта неабходна для адпраўкі ўкладанняў MMS. Немагчымасць адпраўляць MMS было б вельмі вялікім недахопам нашага прыкладання ў параўнанні з іншымі, таму было вырашана пайсці гэтым шляхам. Аднак, як і ў іншых нашых прыкладаннях, гэта не ўтрымлівае ніякай рэкламы, адсочвання і аналітыкі. Інтэрнэт выкарыстоўваецца толькі для адпраўкі MMS.</string>
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index 628820fe..4c5cf1ba 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Защо приложението изисква достъп до интернет\?</string>
     <string name="faq_1_text">За съжаление това е нужно за изпращане на прикачени MMS. Да не може да се праща MMS би било наистина голям недостатък в сравнение с други приложения, така че решихме да тръгнем по този път. Въпреки това, както обикновено, няма реклами, следене или каквито и да е други анализаторски програми, интернетът се ползва само за изпращане на MMS.</string>
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index 5f3c6f82..0c3cdf54 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">No s\'ha pogut enviar el missatge, la ràdio està apagada</string>
     <string name="carrier_send_error">No s\'ha pogut enviar el missatge, error de l\'operador</string>
     <string name="unknown_error_occurred_sending_message">No s\'ha pogut enviar el missatge, codi d\'error: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Per què l\'aplicació requereix accés a Internet\?</string>
     <string name="faq_1_text">Malauradament, és necessari per enviar adjunts MMS. No poder enviar MMS seria un gran desavantatge en comparació amb altres aplicacions, així que vam decidir anar per aquest camí. Tanmateix, com sol ser, no hi ha cap anunci, seguiment o anàlisi de cap mena, Internet només s\'utilitza per enviar MMS.</string>
@@ -103,4 +105,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-cr/strings.xml b/app/src/main/res/values-cr/strings.xml
index 575dc717..866b6187 100644
--- a/app/src/main/res/values-cr/strings.xml
+++ b/app/src/main/res/values-cr/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index ec6be47b..926e25ce 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Proč aplikace vyžaduje přístup k internetu\?</string>
     <string name="faq_1_text">Je smutné, že je to nutné pro odesílání příloh MMS. Nemít schopnost posílat MMS by byla opravdu obrovská nevýhoda ve srovnání s jinými aplikacemi, proto jsme se rozhodli jít touto cestou. Jako obvykle však neexistují žádné reklamy, sledování ani analytika. Internet se používá pouze k odesílání MMS.</string>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index c7afa2d6..f8f792f8 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hvorfor kræver appen adgang til internettet\?</string>
     <string name="faq_1_text">Desværre er det nødvendigt for at sende MMS-vedhæftede filer. Ikke at kunne være i stand til at sende MMS ville være en virkelig stor ulempe i forhold til andre apps, så vi besluttede at gå denne vej. Men som normalt er der ingen annoncer, sporing eller analyse overhovedet, internettet bruges kun til at sende MMS.</string>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 5d5bf38f..e3fb84ac 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Nachricht konnte nicht gesendet werden, Mobilfunk ausgeschaltet</string>
     <string name="carrier_send_error">Nachricht konnte nicht gesendet werden, Netzbetreiberfehler</string>
     <string name="unknown_error_occurred_sending_message">Nachricht konnte nicht gesendet werden, Fehlercode: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Warum benötigt die Anwendung einen Internetzugang\?</string>
     <string name="faq_1_text">Leider ist dies nötig, um MMS-Anhänge zu versenden. Es wäre ein großer Nachteil gegenüber anderen Apps, wenn keine MMS versendet werden könnten, also haben wir uns für diesen Weg entschieden. Jedoch gibt es wie immer keine Werbung, Tracking oder Analytics, der Internetzugriff wird also nur für das Versenden von MMS verwendet.</string>
@@ -103,4 +105,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 53b10f95..acac9980 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Γιατί η εφαρμογή απαιτεί πρόσβαση στο διαδίκτυο;</string>
     <string name="faq_1_text">Δυστυχώς, απαιτείται για την αποστολή συνημμένων MMS. Το να μην είμαστε σε θέση να στείλουμε MMS θα αποτελούσε πραγματικά τεράστιο μειονέκτημα σε σύγκριση με άλλες εφαρμογές, επομένως αποφασίσαμε να ακολουθήσουμε αυτόν τον δρόμο. Ωστόσο, όπως συνήθως, δεν υπάρχουν καθόλου διαφημίσεις, παρακολούθηση ή αναλύσεις, το διαδίκτυο χρησιμοποιείται μόνο για την αποστολή MMS.</string>
diff --git a/app/src/main/res/values-eo/strings.xml b/app/src/main/res/values-eo/strings.xml
index 9d7870a2..c352f038 100644
--- a/app/src/main/res/values-eo/strings.xml
+++ b/app/src/main/res/values-eo/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 8f27421b..21439cfe 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">No se pudo enviar el mensaje, la radio está apagada</string>
     <string name="carrier_send_error">No se pudo enviar el mensaje, error del operador</string>
     <string name="unknown_error_occurred_sending_message">No se ha podido enviar el mensaje, código de error: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">¿Por qué la aplicación requiere acceso a internet\?</string>
     <string name="faq_1_text">Tristemente es necesitado para enviar archivos adjuntos MMS. El no poder enviar MMS sería una desventaja realmente enorme comparada con otras aplicaciones, así que decidimos tomar este camino. Sin embargo, como siempre, no hay anuncios, rastreo o análisis, por lo que el internet solo es usado para enviar MMS.</string>
@@ -106,4 +108,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-et/strings.xml b/app/src/main/res/values-et/strings.xml
index fb7a9c70..134cd554 100644
--- a/app/src/main/res/values-et/strings.xml
+++ b/app/src/main/res/values-et/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Kuna võrguteenused pole nutiseadmes kasutusel, siis sõnumi saatmine ei õnnestu</string>
     <string name="carrier_send_error">Sõnumi saatmine ei õnnestu teenusepakkuja vea tõttu</string>
     <string name="unknown_error_occurred_sending_message">Sõnumi saatmine ei õnnestunud. Veateade: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Miks on selle rakenduse jaoks vajalik ligipääs internetile\?</string>
     <string name="faq_1_text">Kahjuks saadetakse MMS-sõnumite manused üle interneti. Kuna muudel sarnastel rakendustel on MMS-sõnumite saatmise võimalus, siis me ei saanud sellest funktsionaalsusest ka loobuda. Aga nagu kõikide meie rakenduste puhul standardiks on, siis me ei näita reklaame ega kasuta kasutajate jälgmist ega ka analüütikat ning internetiühendus on kasutusel vaid MMS-sõnumite saatmisel.</string>
@@ -103,4 +105,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 15cd2d0e..6d9e2fe6 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Miksi sovellus vaatii Internet-yhteyden\?</string>
     <string name="faq_1_text">Valitettavasti sitä tarvitaan multimediaviestin liitteiden lähettämiseen. Multimediaviestien lähettämättä jättäminen olisi todella valtava haitta muihin sovelluksiin verrattuna, joten päätimme mennä tällä tavalla. Kuten yleensä, mainoksia, seurantaa tai analytiikkaa ei kuitenkaan ole, internetiä käytetään vain multimediaviestien lähettämiseen.</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 8ed44e04..5a213e81 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Pourquoi l\'application a-t-elle besoin d\'un accès à Internet \?</string>
     <string name="faq_1_text">Malheureusement, cela est nécessaire pour envoyer des pièces jointes dans les MMS. Ne pas pouvoir envoyer de MMS serait un énorme désavantage comparé à d\'autres applications, nous avons donc décidé de faire ainsi. Cependant, comme toujours, il n\'y a aucune publicité, traqueur ou analyseur de quelque sorte, internet n\'est utilisé que pour envoyer des MMS.</string>
diff --git a/app/src/main/res/values-gl/strings.xml b/app/src/main/res/values-gl/strings.xml
index ed4868ba..17c3c821 100644
--- a/app/src/main/res/values-gl/strings.xml
+++ b/app/src/main/res/values-gl/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Non se puido enviala mensaxe, a radio apagada</string>
     <string name="carrier_send_error">Non se puido enviala mensaxe, erro do operador</string>
     <string name="unknown_error_occurred_sending_message">Non se puido enviala mensaxe, código do erro: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Por que o aplicativo necesita acceder a Internet\?</string>
     <string name="faq_1_text">Infelizmente é a única forma para poder enviar anexos MMS. A incapacidade de non conseguir enviar MMS sería unha enorme desvantaxe comparativamente a outros aplicativos e, por iso, tomamos esta decisión. Pero, como habitualmente, o aplicativo non ten anuncios, non rastrea os utilizadores nin recolle datos persoais. Este permiso só é necesario para enviar as MMS.</string>
@@ -103,4 +105,4 @@
         Non atopaches algunhas cadeas? Hai máis en
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-hi/strings.xml b/app/src/main/res/values-hi/strings.xml
index 575dc717..866b6187 100644
--- a/app/src/main/res/values-hi/strings.xml
+++ b/app/src/main/res/values-hi/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index 7bd35312..fc685b45 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Zašto aplikacija zahtijeva pristup internetu\?</string>
     <string name="faq_1_text">Nažalost, potreban je za slanje MMS privitaka. Nemogućnost slanja MMS-a bila bi zaista veliki nedostatak u usporedbi s drugim aplikacijama, pa smo odlučili krenuti ovim putem. No, kao i obično, nema reklama, praćenja ili analiziranja podataka, internet se koristi samo za slanje MMS-a.</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 05e61285..6b2774b0 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Miért kér az alkalmazás hozzáférést az internethez\?</string>
     <string name="faq_1_text">Sajnos szükséges az MMS-mellékletek küldéséhez. Az MMS-küldés hiánya olyan nagy hátrány más alkalmazásokhoz képest, hogy inkább mellette döntöttünk. Viszont, mint általában, nincsenek reklámok, követés, vagy analitika és az internetet csak az MMS küldéséhez használjuk.</string>
diff --git a/app/src/main/res/values-in/strings.xml b/app/src/main/res/values-in/strings.xml
index 166571a8..01c7a210 100644
--- a/app/src/main/res/values-in/strings.xml
+++ b/app/src/main/res/values-in/strings.xml
@@ -89,6 +89,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Mengapa aplikasi ini membutuhkan akses ke internet\?</string>
     <string name="faq_1_text">Sayangnya itu diperlukan untuk mengirim lampiran MMS. Tidak dapat mengirim MMS akan menjadi kerugian yang sangat besar dibandingkan dengan aplikasi lain, jadi kami memutuskan untuk menggunakan cara ini. Namun, seperti biasanya, tidak ada iklan, pelacakan atau analitik apa pun, internet hanya digunakan untuk mengirim MMS.</string>
diff --git a/app/src/main/res/values-is/strings.xml b/app/src/main/res/values-is/strings.xml
index 3ce5c1dd..943d59b7 100644
--- a/app/src/main/res/values-is/strings.xml
+++ b/app/src/main/res/values-is/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index bc6839df..6caa1d21 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Perché l\'applicazione richiede l\'accesso ad internet\?</string>
     <string name="faq_1_text">Purtroppo è necessario per poter inviare gli allegati degli MMS. Non essere in grado di inviare gli MMS sarebbe un grosso svantaggio in confronto ad altre applicazioni, quindi abbiamo deciso di intraprendere questa strada. Ad ogni modo, come sempre, non ci sono pubblicità o tracciamenti, internet è utilizzato soltanto per l\'invio degli MMS.</string>
diff --git a/app/src/main/res/values-iw/strings.xml b/app/src/main/res/values-iw/strings.xml
index cd9c60e6..83e0508d 100644
--- a/app/src/main/res/values-iw/strings.xml
+++ b/app/src/main/res/values-iw/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">מדוע האפליקציה דורשת גישה לאינטרנט\?</string>
     <string name="faq_1_text">למרבה הצער, זה נחוץ לשליחת קבצי MMS מצורפים. אי היכולת לשלוח MMS תהיה חיסרון עצום בהשוואה לאפליקציות אחרות, אז החלטנו ללכת בדרך זו. עם זאת, כמו בדרך כלל, אין מודעות, מעקב או ניתוח כלשהם, האינטרנט משמש רק לשליחת MMS.</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index c9561b82..a1456c26 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -89,6 +89,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">なぜアプリの使用にインターネットへのアクセスが必要なのですか？</string>
     <string name="faq_1_text">MMS (マルチメディアメッセージサービス) にはインターネットが必要となります。ほかのアプリでは使用できる MMS が使用できないことは大きな不利益となるため、このようになっています。 ただし、通常通り広告・追跡・分析は一切行わず、インターネットは MMS のみに使用されます。</string>
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
index 17826d12..6a05b8df 100644
--- a/app/src/main/res/values-lt/strings.xml
+++ b/app/src/main/res/values-lt/strings.xml
@@ -94,6 +94,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Kodėl programėlei reikalinga prieiga prie interneto\?</string>
     <string name="faq_1_text">Deja, jis reikalingas MMS priedams siųsti. Negalėjimas siųsti MMS būtų tikrai didelis trūkumas, palyginti su kitomis programomis, todėl nusprendėme eiti šiuo keliu. Tačiau, kaip įprasta, nėra jokių reklamų, stebėjimo ar analizės, internetas naudojamas tik MMS siuntimui.</string>
diff --git a/app/src/main/res/values-lv/strings.xml b/app/src/main/res/values-lv/strings.xml
index 28ce92b1..22a1ff05 100644
--- a/app/src/main/res/values-lv/strings.xml
+++ b/app/src/main/res/values-lv/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-mk/strings.xml b/app/src/main/res/values-mk/strings.xml
index 575dc717..866b6187 100644
--- a/app/src/main/res/values-mk/strings.xml
+++ b/app/src/main/res/values-mk/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-ml/strings.xml b/app/src/main/res/values-ml/strings.xml
index 0fd61905..3037c768 100644
--- a/app/src/main/res/values-ml/strings.xml
+++ b/app/src/main/res/values-ml/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">എന്തുകൊണ്ടാണ് ആപ്പിന് ഇന്റർനെറ്റ് ആക്‌സസ് ആവശ്യമായി വരുന്നത്\?</string>
     <string name="faq_1_text">നിർഭാഗ്യവശാൽ, MMS അറ്റാച്ചുമെന്റുകൾ അയക്കുന്നതിനു ഇത് ആവശ്യമാണ്. മറ്റ് ആപ്ലിക്കേഷനുകളുമായി താരതമ്യപ്പെടുത്തുമ്പോൾ MMS അയയ്ക്കാൻ കഴിയുന്നില്ല എന്നത് ഒരു വലിയ പോരായ്മയാണ്, അതിനാൽ ഞങ്ങൾ ഈ റൂട്ടിൽ പോകാൻ തീരുമാനിച്ചു. എന്നിരുന്നാലും, സാധാരണപോലെ, പരസ്യങ്ങളോ ട്രാക്കിംഗ് അല്ലെങ്കിൽ അനലിറ്റിക്സുകളോ ഇല്ല. ഇന്റർനെറ്റ് MMS അയയ്ക്കുന്നതിന് മാത്രമാണ് ഉപയോഗിക്കുന്നത്.</string>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index a577ad5c..fb6fc05d 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Hvorfor krever appen tilgang til internett\?</string>
     <string name="faq_1_text">Dessverre er det nødvendig for å sende MMS-vedlegg. Å ikke kunne sende MMS ville være en veldig stor ulempe sammenlignet med andre apper, så vi bestemte oss for å gå denne veien. Som vanlig er det imidlertid ingen annonser, sporing eller analyse overhodet, internett brukes bare til å sende MMS.</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index a1cbd042..060bd51f 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Kon het bericht niet verzenden: vliegtuigmodus</string>
     <string name="carrier_send_error">Kon het bericht niet verzenden: netwerkfout</string>
     <string name="unknown_error_occurred_sending_message">Kon het bericht niet verzenden: foutcode %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Waarom heeft deze app toegang nodig tot het internet\?</string>
     <string name="faq_1_text">Dit is helaas nodig voor het verzenden van MMS-bijlagen. Het versturen van MMS-berichten onmogelijk maken zou een te groot nadeel t.o.v. andere apps betekenen en daarom hebben we besloten om het toch toe te voegen. Zoals gewoonlijk bevat de app echter geen advertenties, tracking of analytics; de verbinding wordt alleen maar gebruikt voor het versturen van MMS-berichten.</string>
@@ -103,4 +105,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-pa-rPK/strings.xml b/app/src/main/res/values-pa-rPK/strings.xml
index bdc24e45..439dab71 100644
--- a/app/src/main/res/values-pa-rPK/strings.xml
+++ b/app/src/main/res/values-pa-rPK/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index d77c2539..484d1a67 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Nie udało się wysłać wiadomości z powodu wyłączonej sieci komórkowej</string>
     <string name="carrier_send_error">Nie udało się wysłać wiadomości z powodu błędu operatora</string>
     <string name="unknown_error_occurred_sending_message">Nie udało się wysłać wiadomości. Kod błędu: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Dlaczego aplikacja wymaga dostępu do Internetu\?</string>
     <string name="faq_1_text">Niestety jest to konieczne do wysyłania załączników MMS. Brak możliwości wysyłania MMS-ów byłby naprawdę ogromną wadą w porównaniu z innymi aplikacjami, więc zdecydowaliśmy się pójść tą drogą. Jednak, jak zwykle, nie ma żadnych reklam, śledzenia ani analityki, a Internet służy tylko do wysyłania MMS-ów.</string>
@@ -109,4 +111,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index cba9025e..a5ecdd4d 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Por que o app requer acesso à Internet\?</string>
     <string name="faq_1_text">Infelizmente, isso é necessário para enviar anexos MMS. Não poder enviar MMS seria uma grande desvantagem em relação a outros apps, por isso tomamos essa decisão. Entretanto, como de costume, não há anúncios, rastreamento ou análises de perfil, a Internet é usada apenas para enviar MMS.</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index ebb978eb..f2d318dd 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Porque é que a aplicação requer acesso à Internet\?</string>
     <string name="faq_1_text">Infelizmente é a única forma de poder enviar anexos MMS. Não ter a capacidade de enviar MMS representaria uma enorme desvantagem comparativamente a outras aplicações e foi por isso que tomámos esta decisão. Mas, como habitualmente, a aplicação não tem anúncios, não rastreia os utilizadores nem recolhe dados pessoais. Esta permissão apenas é necessária para enviar MMS.</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index 1e4dee82..9475999b 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">De ce necesită aplicația acces la internet\?</string>
     <string name="faq_1_text">Din păcate este nevoie pentru a primite anexe MMS. Ideea de a nu putea trimite MMS-uri ar prezenta un dezavantaj foarte mare în comparaţie cu alte aplicaţii, aşa că am decis să mergem pe această cale. Totuşi, ca de obicei, nu este prezentă nici un fel de reclamă, urmărire sau analiză, internetul este folosit doar pentru a trimite MMS-uri.</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 0155e3ba..d9df520e 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Невозможно отправить сообщение: радиомодуль отключён</string>
     <string name="carrier_send_error">Невозможно отправить сообщение: ошибка оператора связи</string>
     <string name="unknown_error_occurred_sending_message">Невозможно отправить сообщение. Код ошибки: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Почему приложение требует доступ в интернет\?</string>
     <string name="faq_1_text">К сожалению, это необходимо для отправки вложений MMS. Отсутствие возможности отправлять MMS-сообщения было бы огромным недостатком нашего приложения по сравнению с другими, поэтому мы решили пойти этим путём. Тем не менее, как и в других наших приложениях, это не содержит никакой рекламы, отслеживания или аналитики, интернет используется только для отправки MMS.</string>
@@ -109,4 +111,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index fc683658..42db5b0f 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Nepodarilo sa odoslať správu, rádio vypnuté</string>
     <string name="carrier_send_error">Nepodarilo sa odoslať správu, chyba operátora</string>
     <string name="unknown_error_occurred_sending_message">Nepodarilo sa odoslať správu, chyba: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Prečo vyžaduje apka prístup na internet\?</string>
     <string name="faq_1_text">Je to žiaľ nevyhnutné pre odosielanie MMS príloh. Ak by sa ich nedalo odosielať, bola by to obrovská nevýhoda v porovnaní s konkurenciou, preto sme sa rozhodli takto. Ako ale stále, ani v tejto apke nie sú reklamy, sledovanie, ani vôbec žiadne analytiky. Internet sa používa jedine pri odosielaní MMS.</string>
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index 0311f231..c1b590d7 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Zakaj aplikacija potrebuje dostop do interneta\?</string>
     <string name="faq_1_text">Žal je potreben za pošiljanje priponk MMS. Če ne bi mogli pošiljati MMS-ov, bi bila to res velika pomanjkljivost v primerjavi z drugimi aplikacijami, zato smo se odločili za to pot. Vendar kot običajno ni nobenih oglasov, sledenja ali kakršne koli analitike. Internet se uporablja samo za pošiljanje MMS-ov.</string>
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index ef38384e..9c84cc6d 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -95,6 +95,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Зашто је апликацији потребан приступ интернету\?</string>
     <string name="faq_1_text">Нажалост, то је потребно за слање ММС прилога. Немогућност слања ММС-а била би заиста велика мана у поређењу са другим апликацијама, па смо одлучили да идемо овим путем. Међутим, као и обично, нема реклама, праћења или аналитике, интернет се користи само за слање ММС-а.</string>
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index 4038e2b3..2dfedef7 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Varför kräver appen åtkomst till internet\?</string>
     <string name="faq_1_text">Tyvärr behövs den för att skicka mms-bilagor. Att inte kunna skicka mms är en enorm nackdel jämfört med andra appar, och vi har därför beslutat att göra så här. Som vanligt förekommer ingen reklam, spårning eller datainsamling, internet används bara för att skicka mms.</string>
diff --git a/app/src/main/res/values-ta/strings.xml b/app/src/main/res/values-ta/strings.xml
index 36d09d9d..640a72f8 100644
--- a/app/src/main/res/values-ta/strings.xml
+++ b/app/src/main/res/values-ta/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">பயன்பாட்டிற்கு இணைய அணுகல் ஏன் தேவைப்படுகிறது\?</string>
     <string name="faq_1_text">MMS இணைப்புகளை அனுப்புவதற்கு இது தேவைப்படுகிறது. மற்ற பயன்பாடுகளுடன் ஒப்பிடும்போது MMS ஐ அனுப்ப முடியாமல் இருப்பது மிகவும் பெரிய குறையாக இருக்கும், எனவே நாங்கள் இந்த வழியில் செல்ல முடிவு செய்தோம். இருப்பினும், வழக்கமாக, விளம்பரங்கள், கண்காணிப்பு அல்லது பகுப்பாய்வு எதுவும் இல்லை, இணையம் MMS அனுப்ப மட்டுமே பயன்படுத்தப்படுகிறது.</string>
diff --git a/app/src/main/res/values-th/strings.xml b/app/src/main/res/values-th/strings.xml
index 30e3e714..1b6d898b 100644
--- a/app/src/main/res/values-th/strings.xml
+++ b/app/src/main/res/values-th/strings.xml
@@ -89,6 +89,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 37860862..47dfaae3 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Mesaj gönderilemedi, radyo kapalı</string>
     <string name="carrier_send_error">Mesaj gönderilemedi, operatör hatası</string>
     <string name="unknown_error_occurred_sending_message">Mesaj gönderilemedi, hata kodu: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Uygulama neden internete erişim gerektiriyor\?</string>
     <string name="faq_1_text">Ne yazık ki MMS eklerini göndermek için gerekli. MMS gönderememek, diğer uygulamalara kıyasla gerçekten çok büyük bir dezavantaj olacaktır, bu yüzden bu şekilde gitmeye karar verdik. Bununla birlikte, genellikle olduğu gibi, hiçbir reklam, izleme veya analiz yoktur, internet yalnızca MMS göndermek için kullanılır.</string>
@@ -103,4 +105,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index f162a69d..6370482d 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -98,6 +98,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Чому додаток вимагає доступ до Інтернету\?</string>
     <string name="faq_1_text">Нажаль, це необхідно для відправки вкладень MMS. Неспроможність надсилати MMS-повідомлення була б великим недоліком нашого додатку порівняно з іншими, тому ми так зробили. Тим не менше, як і в інших наших додатках, цей не містить реклами, відстеження та аналітики. Інтернет використовується лише для відправки MMS.</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 73e655de..5bb18ca9 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -89,6 +89,8 @@
     <string name="error_radio_turned_off">无法发送消息，无线电收发器关闭</string>
     <string name="carrier_send_error">无法发送消息，运营商错误</string>
     <string name="unknown_error_occurred_sending_message">无法发送消息，错误代码：%d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">为什么该应用需要访问互联网？</string>
     <string name="faq_1_text">很遗憾这对于发送彩信附件是必须的。如果不能发送彩信的话这相比其他应用会是一个巨大的劣势，所以我们决定这么采取现在的方式。 但是和其他应用一样，不包含广告、追踪或者任意的分析工具， 互联网访问仅用于发送彩信。</string>
@@ -100,4 +102,4 @@
         Haven't found some strings? There's more at
         https://github.com/SimpleMobileTools/Simple-Commons/tree/master/commons/src/main/res
     -->
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index b3c076d9..75881f14 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -89,6 +89,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %1$d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet\?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way. However, as usually, there are no ads, tracking or analytics whatsoever, the internet is used only for sending MMS.</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 23063678..efd1f013 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -92,6 +92,8 @@
     <string name="error_radio_turned_off">Couldn\'t send message, radio turned off</string>
     <string name="carrier_send_error">Couldn\'t send message, carrier error</string>
     <string name="unknown_error_occurred_sending_message">Couldn\'t send message, error code: %d</string>
+    <string name="invalid_short_code">Can\'t reply to short codes like this</string>
+    <string name="invalid_short_code_desc">You can only reply to short codes with numbers like "503501" but not to codes containing letters and/or numbers like "BW-SMS".</string>
     <!-- FAQ -->
     <string name="faq_1_title">Why does the app require access to the internet?</string>
     <string name="faq_1_text">Sadly it is needed for sending MMS attachments. Not being able to send MMS would be a really huge disadvantage compared to other apps, so we decided to go this way.