diff --git a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/Utils.java b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/Utils.java
index a0cdea535..fc09f9d99 100644
--- a/xwords4/android/app/src/main/java/org/eehouse/android/xw4/Utils.java
+++ b/xwords4/android/app/src/main/java/org/eehouse/android/xw4/Utils.java
@@ -37,10 +37,9 @@ import android.database.Cursor;
 import android.media.Ringtone;
 import android.media.RingtoneManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Looper;
 import android.provider.ContactsContract.PhoneLookup;
-import androidx.core.app.NotificationCompat;
-import androidx.core.content.FileProvider;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.TelephonyManager;
 import android.text.ClipboardManager;
@@ -53,6 +52,8 @@ import android.widget.CheckBox;
 import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.Toast;
+import androidx.core.app.NotificationCompat;
+import androidx.core.content.FileProvider;
 
 import org.json.JSONObject;
 
@@ -199,7 +200,8 @@ public class Utils {
                                                R.string.email_author_email ) };
         intent.putExtra( Intent.EXTRA_EMAIL, addrs );
         String body = LocUtils.getString( context, R.string.email_body_rev_fmt,
-                                          BuildConfig.GIT_REV );
+                                          BuildConfig.GIT_REV, Build.MODEL,
+                                          Build.VERSION.RELEASE );
         if ( null != msg ) {
             body += "\n\n" + msg;
         }
diff --git a/xwords4/android/app/src/main/res/values/strings.xml b/xwords4/android/app/src/main/res/values/strings.xml
index 155351245..7ca3830ac 100644
--- a/xwords4/android/app/src/main/res/values/strings.xml
+++ b/xwords4/android/app/src/main/res/values/strings.xml
@@ -1633,10 +1633,10 @@
     <string name="email_author_subject">Comment about CrossWords</string>
     <!--  -->
     <string name="email_author_chooser">Send comment via</string>
-    <!--  -->
+    <!-- Default text for email body generated by "email author" menuitem -->
     <string name="email_body_rev_fmt">(If relevant, please include the
-      version: “%1$s”; and make/model of your phone or
-      tablet.)</string>
+    version (“%1$s”) of CrossWords and the make/model (“%2$s”) and OS
+    version (%3$s) of your phone or tablet.)</string>
     <!-- <string name="newgame_enable_bt">Turn Bluetooth on</string> -->
     <!-- In invitation dialogs, button to remove checked items -->
     <string name="bt_pick_clear_button">Remove</string>
diff --git a/xwords4/android/res_src/values-ca/strings.xml b/xwords4/android/res_src/values-ca/strings.xml
index 4e3761a7e..d53aec6bb 100644
--- a/xwords4/android/res_src/values-ca/strings.xml
+++ b/xwords4/android/res_src/values-ca/strings.xml
@@ -388,7 +388,7 @@ Introduïu el vostre nom aquí. S\'usarà en crear partides noves. (Podreu
     <string name="board_menu_file_email">Envia un correu-e a l\'autor</string>
     <string name="email_author_subject">Comentari sobre el CrossWords</string>
     <string name="email_author_chooser">Envia el comentari via</string>
-    <string name="email_body_rev_fmt">(Si és rellevant, incloeu la versió: «%1$s»; i el fabricant i model del telèfon o tauleta.)</string>
+    <string name="email_body_rev_fmt">(Si és rellevant, incloeu la versió: «%1$s»; i el fabricant i model del telèfon o tauleta: %2$s/%3$s.)</string>
     <string name="bt_pick_clear_button">Suprimeix</string>
     <string name="invite_progress_title">S\'està connectant…</string>
     <string name="invite_progress_fmt">S\'està enviant la invitació al CrossWords a %1$s</string>
diff --git a/xwords4/android/res_src/values-de/strings.xml b/xwords4/android/res_src/values-de/strings.xml
index b02f777c1..c22d3c9a8 100644
--- a/xwords4/android/res_src/values-de/strings.xml
+++ b/xwords4/android/res_src/values-de/strings.xml
@@ -388,7 +388,7 @@
     <string name="board_menu_file_email">Email an den Autor</string>
     <string name="email_author_subject">Kommentar zu CrossWords</string>
     <string name="email_author_chooser">Kommentar senden über</string>
-    <string name="email_body_rev_fmt">(Falls relevant, geben Sie bitte die Version: „%1$s“; und das Fabrikat/Modell Ihres Smartphones oder Tablets an.)</string>
+    <string name="email_body_rev_fmt">(Falls relevant, geben Sie bitte die Version: „%1$s“; und das Fabrikat/Modell Ihres Smartphones oder Tablets an: %2$s/%3$s.)</string>
     <string name="invite_notice_title">Neue Partie per Einladung</string>
     <string name="new_bt_body_fmt">Ein Spieler auf dem Gerät %1$s will eine Partie starten</string>
     <string name="new_relay_body">Zum Öffnen der neuen Partie antippen</string>
diff --git a/xwords4/android/res_src/values-fr/strings.xml b/xwords4/android/res_src/values-fr/strings.xml
index 296958326..81dc0ba2e 100644
--- a/xwords4/android/res_src/values-fr/strings.xml
+++ b/xwords4/android/res_src/values-fr/strings.xml
@@ -1928,7 +1928,7 @@ seulement des informations sur les jetons. Il n\'y a pas de mots à parcourir.</
     <string name="email_author_chooser">Envoyer un commentaire par</string>
     <!--  -->
     <!-- Should not be translated -->
-    <string name="email_body_rev_fmt">(Si c\'est pertinent, merci d\'inclure la version : « %1$s » ; et le modèle de votre téléphone ou votre tablette.)</string>
+    <string name="email_body_rev_fmt">(Si c\'est pertinent, merci d\'inclure la version : « %1$s » ; et le modèle de votre téléphone ou votre tablette: %2$s/%3$s)</string>
     <!-- In the Bluetooth invite device dialog -->
     <!--<string name="bt_pick_addall_button">Add all Paired</string>-->
     <!--  -->
diff --git a/xwords4/android/res_src/values-ja/strings.xml b/xwords4/android/res_src/values-ja/strings.xml
index 7e70f973c..6f270c0d9 100644
--- a/xwords4/android/res_src/values-ja/strings.xml
+++ b/xwords4/android/res_src/values-ja/strings.xml
@@ -365,7 +365,7 @@
     <string name="board_menu_file_email">作者にメール</string>
     <string name="email_author_subject">クロスワードについてのコメント</string>
     <string name="email_author_chooser">コメントを次で送信</string>
-    <string name="email_body_rev_fmt">(該当する場合、バージョン: \"%1$s\" と、お使いの電話またはタブレットのメーカー/モデルを含めるようにしてください)</string>
+    <string name="email_body_rev_fmt">(該当する場合、バージョン: \"%1$s\" と、お使いの電話またはタブレットのメーカー/モデル[%2$s/%3$s]を含めるようにしてください)</string>
     <string name="bt_pick_clear_button">削除</string>
     <string name="invite_progress_title">接続しています…</string>
     <string name="invite_progress_fmt">%1$s でクロスワードへの招待を送信しています</string>
diff --git a/xwords4/android/res_src/values-nb-rNO/strings.xml b/xwords4/android/res_src/values-nb-rNO/strings.xml
index 024c91655..7438a5b15 100644
--- a/xwords4/android/res_src/values-nb-rNO/strings.xml
+++ b/xwords4/android/res_src/values-nb-rNO/strings.xml
@@ -576,7 +576,7 @@
     <string name="title_lookup_study">Trykk for å slå opp eller studere</string>
     <string name="board_menu_file_email">E-postforfatter</string>
     <string name="email_author_subject">Kommentar om CrossWords</string>
-    <string name="email_body_rev_fmt">(Hvis relevant, inkluder versjonen: \"%1$s\", og fabrikatet/modellen av din telefon eller nettbrett.)</string>
+    <string name="email_body_rev_fmt">(Hvis relevant, inkluder versjonen: \"%1$s\", og fabrikatet/modellen av din telefon eller nettbrett: %2$s/%3$s.)</string>
     <string name="bt_pick_clear_button">Fjern valgte</string>
     <string name="invite_progress_title">Kobler til…</string>
     <string name="invite_progress_fmt">Sender invitasjon til CrossWords på %1$s</string>
diff --git a/xwords4/android/res_src/values-nl/strings.xml b/xwords4/android/res_src/values-nl/strings.xml
index 4dd630636..62510bfc1 100644
--- a/xwords4/android/res_src/values-nl/strings.xml
+++ b/xwords4/android/res_src/values-nl/strings.xml
@@ -366,7 +366,7 @@
     <string name="board_menu_file_email">Email ontwikkelaar</string>
     <string name="email_author_subject">Geef je mening over CrossWords</string>
     <string name="email_author_chooser">Verstuur opmerking via</string>
-    <string name="email_body_rev_fmt">(Indien relevant, geef alsjeblieft het versienummer mee: \"%1$s\"; en fabrikant/model van je telefoon of tablet.)</string>
+    <string name="email_body_rev_fmt">(Indien relevant, geef alsjeblieft het versienummer mee: \"%1$s\"; en fabrikant/model van je telefoon of tablet: %2$s/%3$s)</string>
     <string name="bt_pick_clear_button">Verwijder geselecteerde[n]</string>
     <string name="invite_progress_title">Verbinden...</string>
     <string name="invite_progress_fmt">Uitnodiging om CrossWords te spelen versturen op %1$s</string>
diff --git a/xwords4/android/res_src/values-pl/strings.xml b/xwords4/android/res_src/values-pl/strings.xml
index 558e52dc5..a576cb70a 100644
--- a/xwords4/android/res_src/values-pl/strings.xml
+++ b/xwords4/android/res_src/values-pl/strings.xml
@@ -471,7 +471,7 @@
     <string name="board_menu_file_email">E-mail do autora</string>
     <string name="email_author_subject">Komentarz o CrossWords</string>
     <string name="email_author_chooser">Wyślij komentarz przez</string>
-    <string name="email_body_rev_fmt">(Jeśli dotyczy, proszę podać wersję: \"%1$s\"; oraz markę/model telefonu lub tabletu.)</string>
+    <string name="email_body_rev_fmt">(Jeśli dotyczy, proszę podać wersję: \"%1$s\"; oraz markę/model telefonu lub tabletu: %2$s/%3$s.)</string>
     <string name="bt_pick_clear_button">Usuń</string>
     <string name="bt_pair_settings">Paruj więcej</string>
     <string name="invite_progress_title">Łączenie…</string>
diff --git a/xwords4/android/res_src/values-pt/strings.xml b/xwords4/android/res_src/values-pt/strings.xml
index b08c42994..dfd926409 100644
--- a/xwords4/android/res_src/values-pt/strings.xml
+++ b/xwords4/android/res_src/values-pt/strings.xml
@@ -1483,7 +1483,7 @@
     <string name="email_author_chooser">Enviar comentário por</string>
     <!--  -->
     <string name="email_body_rev_fmt">(Se relevante, por favor inclua a
-    versão: \"%1$s\"; e marca/modelo do seu telefone ou tablet.)"</string>
+    versão: \"%1$s\"; e marca/modelo do seu telefone ou tablet: %2$s/%3$s)"</string>
     <!--  -->
     <!--  -->
     <string name="bt_pick_clear_button">Remover selecionados</string>