diff --git a/App.tsx b/App.tsx
index 299b71aec..b8d90573c 100644
--- a/App.tsx
+++ b/App.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { ActivityIndicator, AppState, Linking, StyleSheet, Text, View } from 'react-native';
+import { ActivityIndicator, AppState, Linking, Platform, StyleSheet, Text, View } from 'react-native';
 import { StatusBar } from 'expo-status-bar';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
 import { useColorScheme } from 'react-native';
@@ -252,6 +252,14 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
   // Side by side layouts move the tabs into a rail on the left, like the
   // webmail's navigation rail.
   const { isSplit } = useLayout();
+  // Appearance > Show Toolbar Labels covers the tab names too (#128). With
+  // it off a tab is its icon, centred in the room the name leaves.
+  const showTabLabels = useSettingsStore((state) => state.showToolbarLabels);
+  const tabItemStyle = showTabLabels ? undefined : ({ justifyContent: 'center' } as const);
+  // Android has TalkBack read a tab's own text, which an icon-only tab
+  // lacks; iOS is given "Mail, tab, 1 of 5" by the navigator either way.
+  const iconOnlyTabName = (name: string) =>
+    (Platform.OS === 'android' && !showTabLabels ? { tabBarAccessibilityLabel: name } : null);
   // A bottom tab bar keeps the screens clear of the gesture bar or taskbar;
   // with the tabs in a side rail the whole tab area has to.
   const bottomInset = useSafeAreaInsets().bottom;
@@ -273,6 +281,8 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
         freezeOnBlur: true,
         tabBarPosition: isSplit ? 'left' : 'bottom',
         tabBarVariant: isSplit ? 'material' : 'uikit',
+        tabBarShowLabel: showTabLabels,
+        tabBarItemStyle: tabItemStyle,
         // A narrow rail (icon over label), not a wide sidebar with labels
         // beside the icons.
         ...(isSplit ? { tabBarLabelPosition: 'below-icon' as const } : null),
@@ -304,6 +314,8 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
         options={{
           title: tabLabels.mail,
           tabBarButtonTestID: 'tab-mail',
+          // TalkBack read the unread count with the name; keep it.
+          ...iconOnlyTabName(inboxUnreadCount > 0 ? `${inboxUnreadCount > 99 ? '99+' : inboxUnreadCount}, ${tabLabels.mail}` : tabLabels.mail),
           tabBarIcon: ({ color, size }) => <Mail size={size} color={color} />,
           tabBarBadge: inboxUnreadCount > 0 ? (inboxUnreadCount > 99 ? '99+' : inboxUnreadCount) : undefined,
           tabBarBadgeStyle: {
@@ -329,7 +341,7 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
           title: tabLabels.calendar,
           tabBarButtonTestID: 'tab-calendar',
           tabBarIcon: ({ color, size }) => <Calendar size={size} color={color} />,
-          tabBarItemStyle: hasCalendar ? undefined : disabledTabStyle,
+          tabBarItemStyle: hasCalendar ? tabItemStyle : [tabItemStyle, disabledTabStyle],
           tabBarAccessibilityLabel: hasCalendar ? tabLabels.calendar : unavailable(tabLabels.calendar),
           ...(calendarAllowed ? null : hiddenTab),
         }}
@@ -346,7 +358,7 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
           title: tabLabels.contacts,
           tabBarButtonTestID: 'tab-contacts',
           tabBarIcon: ({ color, size }) => <BookUser size={size} color={color} />,
-          tabBarItemStyle: hasContacts ? undefined : disabledTabStyle,
+          tabBarItemStyle: hasContacts ? tabItemStyle : [tabItemStyle, disabledTabStyle],
           tabBarAccessibilityLabel: hasContacts ? tabLabels.contacts : unavailable(tabLabels.contacts),
           ...(contactsAllowed ? null : hiddenTab),
         }}
@@ -363,7 +375,7 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
           title: tabLabels.files,
           tabBarButtonTestID: 'tab-files',
           tabBarIcon: ({ color, size }) => <HardDrive size={size} color={color} />,
-          tabBarItemStyle: hasFiles ? undefined : disabledTabStyle,
+          tabBarItemStyle: hasFiles ? tabItemStyle : [tabItemStyle, disabledTabStyle],
           tabBarAccessibilityLabel: hasFiles ? tabLabels.files : unavailable(tabLabels.files),
           ...(filesAllowed ? null : hiddenTab),
         }}
@@ -378,6 +390,7 @@ function MainTabsNavigator({ navigation }: NativeStackScreenProps<RootStackParam
         options={{
           title: tabLabels.settings,
           tabBarButtonTestID: 'tab-settings',
+          ...iconOnlyTabName(tabLabels.settings),
           tabBarIcon: ({ color, size }) => <Settings size={size} color={color} />,
         }}
       >
diff --git a/docs/parity/08-settings-push-i18n-ui.md b/docs/parity/08-settings-push-i18n-ui.md
index 83df1d2e7..d3f3d7257 100644
--- a/docs/parity/08-settings-push-i18n-ui.md
+++ b/docs/parity/08-settings-push-i18n-ui.md
@@ -60,7 +60,7 @@ Legend: RN? = key exists in RN store; Honored = read by RN app code outside `sto
 | calendarInvitationParsingEnabled | same | yes | yes | CalendarInvitationBanner |
 | protocolOpenMode | – | no | – | N/A (web protocol handlers) |
 | toolbarPosition | – | no | – | N/A |
-| showToolbarLabels | same | yes | yes | EmailThreadScreen |
+| showToolbarLabels | same | yes | yes | EmailThreadScreen; the tab bar's names too (App.tsx, #128) |
 | hideAccountSwitcher, showRailAccountList, proInterface | – | no | – | N/A |
 | enableUnifiedMailbox, unifiedCrossAccount, enableCross*View, allMailFolderIds | – | no | – | RN has a UnifiedInbox screen without these switches. Owner: mail-list agent |
 | includeGroupInUnified (true) | same (**false**) | yes | yes | Default differs |
diff --git a/locales/rn/ar.json b/locales/rn/ar.json
index 77ff076c4..5a1be7131 100644
--- a/locales/rn/ar.json
+++ b/locales/rn/ar.json
@@ -855,7 +855,7 @@
         "system_default": "افتراضي النظام"
       },
       "toolbar_labels": {
-        "description_mobile": "عرض تسميات نصية بجانب أيقونات شريط الأدوات."
+        "description_mobile": "عرض تسميات نصية بجانب أيقونات شريط الأدوات والتنقل."
       },
       "accessibility_link": {
         "description_mobile": "حجم النص وتقليل الحركة والإعدادات الجاهزة لإمكانية الوصول موجودة في صفحة إمكانية الوصول."
diff --git a/locales/rn/ca.json b/locales/rn/ca.json
index 838217699..fd44926db 100644
--- a/locales/rn/ca.json
+++ b/locales/rn/ca.json
@@ -860,7 +860,7 @@
         "system_default": "Predeterminat del sistema"
       },
       "toolbar_labels": {
-        "description_mobile": "Mostra etiquetes de text al costat de les icones de la barra d'eines."
+        "description_mobile": "Mostra etiquetes de text al costat de les icones de la barra d'eines i de navegació."
       },
       "accessibility_link": {
         "description_mobile": "La mida del text, el moviment reduït i els perfils predefinits d'accessibilitat són a la pàgina Accessibilitat."
diff --git a/locales/rn/cs.json b/locales/rn/cs.json
index 8438860a9..596795ce1 100644
--- a/locales/rn/cs.json
+++ b/locales/rn/cs.json
@@ -860,7 +860,7 @@
         "system_default": "Podle systému"
       },
       "toolbar_labels": {
-        "description_mobile": "Zobrazovat textové popisky vedle ikon na panelu nástrojů."
+        "description_mobile": "Zobrazovat textové popisky vedle ikon na panelu nástrojů a v navigaci."
       },
       "accessibility_link": {
         "description_mobile": "Velikost textu, omezení pohybu a předvolby přístupnosti najdete na stránce Přístupnost."
diff --git a/locales/rn/da.json b/locales/rn/da.json
index 32aab6412..eb4909ebe 100644
--- a/locales/rn/da.json
+++ b/locales/rn/da.json
@@ -857,7 +857,7 @@
         "system_default": "Systemstandard"
       },
       "toolbar_labels": {
-        "description_mobile": "Vis tekstetiketter ved siden af værktøjslinjeikoner."
+        "description_mobile": "Vis tekstetiketter ved siden af værktøjslinje- og navigationsikoner."
       },
       "accessibility_link": {
         "description_mobile": "Tekststørrelse, reduceret bevægelse og forudindstillingerne for tilgængelighed findes på siden Tilgængelighed."
diff --git a/locales/rn/de.json b/locales/rn/de.json
index a8cf809f2..f43640a8a 100644
--- a/locales/rn/de.json
+++ b/locales/rn/de.json
@@ -870,7 +870,7 @@
         "system_default": "Systemstandard"
       },
       "toolbar_labels": {
-        "description_mobile": "Textbeschriftungen neben den Symbolleistensymbolen anzeigen."
+        "description_mobile": "Textbeschriftungen neben den Symbolleisten- und Navigationssymbolen anzeigen."
       },
       "description_mobile": "Passen Sie an, wie die App aussieht",
       "accessibility_link": {
diff --git a/locales/rn/en.json b/locales/rn/en.json
index 41171eb30..0928ebd61 100644
--- a/locales/rn/en.json
+++ b/locales/rn/en.json
@@ -1168,7 +1168,7 @@
         "system_default": "System default"
       },
       "toolbar_labels": {
-        "description_mobile": "Display text labels next to toolbar icons."
+        "description_mobile": "Display text labels next to toolbar and navigation icons."
       }
     },
     "backup": {
diff --git a/locales/rn/es.json b/locales/rn/es.json
index 99a48255f..3c09e9ad4 100644
--- a/locales/rn/es.json
+++ b/locales/rn/es.json
@@ -866,7 +866,7 @@
         "system_default": "Predeterminado del sistema"
       },
       "toolbar_labels": {
-        "description_mobile": "Mostrar etiquetas de texto junto a los iconos de la barra de herramientas."
+        "description_mobile": "Mostrar etiquetas de texto junto a los iconos de la barra de herramientas y de navegación."
       },
       "accessibility_link": {
         "description_mobile": "El tamaño del texto, la reducción de movimiento y los ajustes predefinidos de accesibilidad están en la página Accesibilidad."
diff --git a/locales/rn/et.json b/locales/rn/et.json
index ff57ca097..50d4c3255 100644
--- a/locales/rn/et.json
+++ b/locales/rn/et.json
@@ -684,7 +684,7 @@
         "system_default": "Süsteemi vaikeseade"
       },
       "toolbar_labels": {
-        "description_mobile": "Kuva tekstisildid tööriistariba ikoonide kõrval."
+        "description_mobile": "Kuva tekstisildid tööriistariba ja navigeerimise ikoonide kõrval."
       }
     },
     "backup": {
diff --git a/locales/rn/fa.json b/locales/rn/fa.json
index bdb944504..7fc55d876 100644
--- a/locales/rn/fa.json
+++ b/locales/rn/fa.json
@@ -854,7 +854,7 @@
         "system_default": "پیش‌فرض سیستم"
       },
       "toolbar_labels": {
-        "description_mobile": "نمایش برچسب‌های متنی کنار آیکون‌های نوار ابزار."
+        "description_mobile": "نمایش برچسب‌های متنی کنار آیکون‌های نوار ابزار و ناوبری."
       },
       "accessibility_link": {
         "description_mobile": "اندازهٔ متن، کاهش حرکت و پیش‌تنظیم‌های دسترس‌پذیری در صفحهٔ دسترس‌پذیری هستند."
diff --git a/locales/rn/fr.json b/locales/rn/fr.json
index b56e1d874..40bb8137e 100644
--- a/locales/rn/fr.json
+++ b/locales/rn/fr.json
@@ -864,7 +864,7 @@
         "system_default": "Par défaut du système"
       },
       "toolbar_labels": {
-        "description_mobile": "Afficher les libellés à côté des icônes de la barre d'outils."
+        "description_mobile": "Afficher les libellés à côté des icônes de la barre d'outils et de navigation."
       },
       "accessibility_link": {
         "description_mobile": "La taille du texte, la réduction des mouvements et les préréglages d'accessibilité se trouvent sur la page Accessibilité."
diff --git a/locales/rn/he.json b/locales/rn/he.json
index 0a78c29e6..276a4220a 100644
--- a/locales/rn/he.json
+++ b/locales/rn/he.json
@@ -858,7 +858,7 @@
         "system_default": "ברירת המחדל של המערכת"
       },
       "toolbar_labels": {
-        "description_mobile": "הצג תוויות טקסט ליד סמלי סרגל הכלים."
+        "description_mobile": "הצג תוויות טקסט ליד סמלי סרגל הכלים והניווט."
       },
       "accessibility_link": {
         "description_mobile": "גודל טקסט, הפחתת תנועה והגדרות הנגישות המוכנות נמצאים בעמוד נגישות."
diff --git a/locales/rn/hu.json b/locales/rn/hu.json
index 85ba2eab8..9db9b7c84 100644
--- a/locales/rn/hu.json
+++ b/locales/rn/hu.json
@@ -856,7 +856,7 @@
         "system_default": "Rendszer alapértelmezése"
       },
       "toolbar_labels": {
-        "description_mobile": "Szöveges feliratok megjelenítése az eszköztár ikonjai mellett."
+        "description_mobile": "Szöveges feliratok megjelenítése az eszköztár és a navigáció ikonjai mellett."
       },
       "accessibility_link": {
         "description_mobile": "A szövegméret, a csökkentett mozgás és az előbeállítások a Kisegítő lehetőségek oldalon találhatók."
diff --git a/locales/rn/it.json b/locales/rn/it.json
index ced0f08ea..1a1e5f1b3 100644
--- a/locales/rn/it.json
+++ b/locales/rn/it.json
@@ -862,7 +862,7 @@
         "system_default": "Predefinita di sistema"
       },
       "toolbar_labels": {
-        "description_mobile": "Mostra le etichette di testo accanto alle icone della barra degli strumenti."
+        "description_mobile": "Mostra le etichette di testo accanto alle icone della barra degli strumenti e di navigazione."
       },
       "accessibility_link": {
         "description_mobile": "Dimensione del testo, movimento ridotto e i preset di accessibilità si trovano nella pagina Accessibilità."
diff --git a/locales/rn/ja.json b/locales/rn/ja.json
index c707429fa..c65924908 100644
--- a/locales/rn/ja.json
+++ b/locales/rn/ja.json
@@ -860,7 +860,7 @@
         "system_default": "システムのデフォルト"
       },
       "toolbar_labels": {
-        "description_mobile": "ツールバーアイコンの横にテキストラベルを表示します。"
+        "description_mobile": "ツールバーとナビゲーションのアイコンの横にテキストラベルを表示します。"
       },
       "accessibility_link": {
         "description_mobile": "文字サイズ、動きを減らす設定、アクセシビリティのプリセットは「アクセシビリティ」ページにあります。"
diff --git a/locales/rn/ko.json b/locales/rn/ko.json
index e339356ad..40918c84e 100644
--- a/locales/rn/ko.json
+++ b/locales/rn/ko.json
@@ -858,7 +858,7 @@
         "system_default": "시스템 기본값"
       },
       "toolbar_labels": {
-        "description_mobile": "도구 모음 아이콘 옆에 텍스트 설명을 보여줘요."
+        "description_mobile": "도구 모음과 탐색 아이콘 옆에 텍스트 설명을 보여줘요."
       },
       "accessibility_link": {
         "description_mobile": "글자 크기, 움직임 줄이기, 접근성 프리셋은 접근성 페이지에 있어요."
diff --git a/locales/rn/lv.json b/locales/rn/lv.json
index bfbab989b..66d6c4847 100644
--- a/locales/rn/lv.json
+++ b/locales/rn/lv.json
@@ -859,7 +859,7 @@
         "system_default": "Sistēmas noklusējums"
       },
       "toolbar_labels": {
-        "description_mobile": "Rādīt teksta aprakstus blakus rīkjoslas ikonām."
+        "description_mobile": "Rādīt teksta aprakstus blakus rīkjoslas un navigācijas ikonām."
       },
       "accessibility_link": {
         "description_mobile": "Teksta lielums, samazināta kustība un pieejamības sagataves ir lapā Pieejamība."
diff --git a/locales/rn/mn.json b/locales/rn/mn.json
index 545763ec6..7ec23e4e5 100644
--- a/locales/rn/mn.json
+++ b/locales/rn/mn.json
@@ -855,7 +855,7 @@
         "system_default": "Системийн өгөгдмөл"
       },
       "toolbar_labels": {
-        "description_mobile": "Хэрэгслийн самбарын дүрсүүдийн хажууд текстэн шошго харуулах."
+        "description_mobile": "Хэрэгслийн самбар болон навигацийн дүрсүүдийн хажууд текстэн шошго харуулах."
       },
       "accessibility_link": {
         "description_mobile": "Текстийн хэмжээ, хөдөлгөөнийг багасгах болон хүртээмжийн бэлэн тохиргоонууд Хүртээмж хуудсанд байна."
diff --git a/locales/rn/nb.json b/locales/rn/nb.json
index f577863ec..90b5caf2b 100644
--- a/locales/rn/nb.json
+++ b/locales/rn/nb.json
@@ -857,7 +857,7 @@
         "system_default": "Systemstandard"
       },
       "toolbar_labels": {
-        "description_mobile": "Vis tekst ved siden av ikonene på verktøylinjen."
+        "description_mobile": "Vis tekst ved siden av ikonene på verktøylinjen og i navigasjonen."
       },
       "accessibility_link": {
         "description_mobile": "Tekststørrelse, redusert bevegelse og forhåndsvalgene for tilgjengelighet finner du på siden Tilgjengelighet."
diff --git a/locales/rn/nl.json b/locales/rn/nl.json
index 0305eeb25..829894740 100644
--- a/locales/rn/nl.json
+++ b/locales/rn/nl.json
@@ -860,7 +860,7 @@
         "system_default": "Systeemstandaard"
       },
       "toolbar_labels": {
-        "description_mobile": "Tekstlabels naast werkbalkpictogrammen weergeven."
+        "description_mobile": "Tekstlabels naast werkbalk- en navigatiepictogrammen weergeven."
       },
       "accessibility_link": {
         "description_mobile": "Tekstgrootte, minder beweging en de toegankelijkheidsvoorinstellingen vind je op de pagina Toegankelijkheid."
diff --git a/locales/rn/pl.json b/locales/rn/pl.json
index 16974c1b4..daa1f66be 100644
--- a/locales/rn/pl.json
+++ b/locales/rn/pl.json
@@ -860,7 +860,7 @@
         "system_default": "Ustawienie systemowe"
       },
       "toolbar_labels": {
-        "description_mobile": "Wyświetlaj etykiety tekstowe obok ikon paska narzędzi."
+        "description_mobile": "Wyświetlaj etykiety tekstowe obok ikon paska narzędzi i nawigacji."
       },
       "accessibility_link": {
         "description_mobile": "Rozmiar tekstu, ograniczony ruch i gotowe zestawy dostępności znajdziesz na stronie Dostępność."
diff --git a/locales/rn/pt.json b/locales/rn/pt.json
index a8ddcbfea..609d1d97a 100644
--- a/locales/rn/pt.json
+++ b/locales/rn/pt.json
@@ -863,7 +863,7 @@
         "system_default": "Padrão do sistema"
       },
       "toolbar_labels": {
-        "description_mobile": "Exibir etiquetas de texto ao lado dos ícones da barra de ferramentas."
+        "description_mobile": "Exibir etiquetas de texto ao lado dos ícones da barra de ferramentas e de navegação."
       },
       "accessibility_link": {
         "description_mobile": "Tamanho do texto, movimento reduzido e as predefinições de acessibilidade estão na página Acessibilidade."
diff --git a/locales/rn/ro.json b/locales/rn/ro.json
index b950ba299..2c0b37880 100644
--- a/locales/rn/ro.json
+++ b/locales/rn/ro.json
@@ -860,7 +860,7 @@
         "system_default": "Implicit de sistem"
       },
       "toolbar_labels": {
-        "description_mobile": "Afișați etichete text lângă pictogramele din bara de instrumente."
+        "description_mobile": "Afișați etichete text lângă pictogramele din bara de instrumente și de navigare."
       },
       "accessibility_link": {
         "description_mobile": "Dimensiunea textului, mișcarea redusă și presetările de accesibilitate se află pe pagina Accesibilitate."
diff --git a/locales/rn/ru.json b/locales/rn/ru.json
index ef07729ba..227abf274 100644
--- a/locales/rn/ru.json
+++ b/locales/rn/ru.json
@@ -863,7 +863,7 @@
         "system_default": "Как в системе"
       },
       "toolbar_labels": {
-        "description_mobile": "Показывать текстовые подписи рядом со значками панели инструментов."
+        "description_mobile": "Показывать текстовые подписи рядом со значками панели инструментов и навигации."
       },
       "accessibility_link": {
         "description_mobile": "Размер текста, уменьшение анимации и наборы настроек находятся на странице «Специальные возможности»."
diff --git a/locales/rn/sk.json b/locales/rn/sk.json
index 0a28af946..5219f0c6f 100644
--- a/locales/rn/sk.json
+++ b/locales/rn/sk.json
@@ -859,7 +859,7 @@
         "system_default": "Podľa systému"
       },
       "toolbar_labels": {
-        "description_mobile": "Zobrazovať textové popisky vedľa ikon na paneli nástrojov."
+        "description_mobile": "Zobrazovať textové popisky vedľa ikon na paneli nástrojov a v navigácii."
       },
       "accessibility_link": {
         "description_mobile": "Veľkosť textu, znížený pohyb a predvoľby prístupnosti nájdete na stránke Prístupnosť."
diff --git a/locales/rn/th.json b/locales/rn/th.json
index 30edd6db5..878f0d82b 100644
--- a/locales/rn/th.json
+++ b/locales/rn/th.json
@@ -966,7 +966,7 @@
         "system_default": "ค่าเริ่มต้นของระบบ"
       },
       "toolbar_labels": {
-        "description_mobile": "แสดงข้อความข้างไอคอนบนแถบเครื่องมือ"
+        "description_mobile": "แสดงข้อความข้างไอคอนบนแถบเครื่องมือและแถบนำทาง"
       }
     },
     "backup": {
diff --git a/locales/rn/tr.json b/locales/rn/tr.json
index 9430954a6..1f5c3823c 100644
--- a/locales/rn/tr.json
+++ b/locales/rn/tr.json
@@ -861,7 +861,7 @@
         "system_default": "Sistem varsayılanı"
       },
       "toolbar_labels": {
-        "description_mobile": "Araç çubuğu simgelerinin yanında metin etiketleri göster."
+        "description_mobile": "Araç çubuğu ve gezinme simgelerinin yanında metin etiketleri göster."
       },
       "accessibility_link": {
         "description_mobile": "Metin boyutu, hareketi azaltma ve erişilebilirlik hazır ayarları Erişilebilirlik sayfasındadır."
diff --git a/locales/rn/uk.json b/locales/rn/uk.json
index 215ec54b1..a03331b74 100644
--- a/locales/rn/uk.json
+++ b/locales/rn/uk.json
@@ -862,7 +862,7 @@
         "system_default": "Як у системі"
       },
       "toolbar_labels": {
-        "description_mobile": "Показувати текстові підписи біля значків панелі інструментів."
+        "description_mobile": "Показувати текстові підписи біля значків панелі інструментів і навігації."
       },
       "accessibility_link": {
         "description_mobile": "Розмір тексту, зменшення руху та набори налаштувань доступності розташовано на сторінці «Доступність»."
diff --git a/locales/rn/zh-TW.json b/locales/rn/zh-TW.json
index cb2cee9fc..6781f9bfa 100644
--- a/locales/rn/zh-TW.json
+++ b/locales/rn/zh-TW.json
@@ -859,7 +859,7 @@
         "system_default": "系統預設"
       },
       "toolbar_labels": {
-        "description_mobile": "在工具列圖示旁顯示文字標籤。"
+        "description_mobile": "在工具列和導覽圖示旁顯示文字標籤。"
       },
       "accessibility_link": {
         "description_mobile": "文字大小、減少動態效果和無障礙預設組合都在「無障礙」頁面中。"
diff --git a/locales/rn/zh.json b/locales/rn/zh.json
index cfa66f457..cc7c6af6e 100644
--- a/locales/rn/zh.json
+++ b/locales/rn/zh.json
@@ -859,7 +859,7 @@
         "system_default": "系统默认"
       },
       "toolbar_labels": {
-        "description_mobile": "在工具栏图标旁显示文字标签。"
+        "description_mobile": "在工具栏和导航图标旁显示文字标签。"
       },
       "accessibility_link": {
         "description_mobile": "文字大小、减少动效和无障碍预设都在“无障碍”页面中。"
diff --git a/src/components/__tests__/tab-bar-labels-wiring.test.ts b/src/components/__tests__/tab-bar-labels-wiring.test.ts
new file mode 100644
index 000000000..cce985d07
--- /dev/null
+++ b/src/components/__tests__/tab-bar-labels-wiring.test.ts
@@ -0,0 +1,36 @@
+import { describe, expect, it } from 'vitest';
+import fs from 'node:fs';
+import path from 'node:path';
+
+// #128: Appearance > Show Toolbar Labels also shows or hides the names under
+// the tab icons (Mail, Calendar, Contacts, Files, Settings). No React Native
+// renderer in the test env, so this checks the wiring in App.tsx.
+
+const app = fs.readFileSync(path.resolve(__dirname, '..', '..', '..', 'App.tsx'), 'utf8').replace(/\r\n/g, '\n');
+
+describe('tab bar labels', () => {
+  it('follow the Show Toolbar Labels setting', () => {
+    expect(app).toContain('const showTabLabels = useSettingsStore((state) => state.showToolbarLabels);');
+    expect(app).toContain('tabBarShowLabel: showTabLabels,');
+  });
+
+  // The navigator leaves an icon at the top of the room its name had.
+  it('centre the icons when the names are off, on dimmed tabs too', () => {
+    expect(app).toContain("const tabItemStyle = showTabLabels ? undefined : ({ justifyContent: 'center' } as const);");
+    expect(app).toContain('tabBarItemStyle: tabItemStyle,');
+    for (const has of ['hasCalendar', 'hasContacts', 'hasFiles']) {
+      expect(app).toContain(`tabBarItemStyle: ${has} ? tabItemStyle : [tabItemStyle, disabledTabStyle],`);
+    }
+  });
+
+  // TalkBack reads a tab's own text, and an icon-only tab has none. Calendar,
+  // Contacts and Files always carry a name (it says when they are unavailable).
+  it('leave every icon-only tab a name for TalkBack', () => {
+    expect(app).toContain("(Platform.OS === 'android' && !showTabLabels ? { tabBarAccessibilityLabel: name } : null);");
+    expect(app).toMatch(/\.\.\.iconOnlyTabName\(inboxUnreadCount > 0 \? `[^`]*, \$\{tabLabels\.mail\}` : tabLabels\.mail\),/);
+    expect(app).toContain('...iconOnlyTabName(tabLabels.settings),');
+    for (const tab of ['calendar', 'contacts', 'files']) {
+      expect(app).toMatch(new RegExp(`tabBarAccessibilityLabel: has\\w+ \\? tabLabels\\.${tab} : unavailable\\(tabLabels\\.${tab}\\),`));
+    }
+  });
+});
diff --git a/src/components/settings/AppearanceSettings.tsx b/src/components/settings/AppearanceSettings.tsx
index 774fee996..ee1e9b10c 100644
--- a/src/components/settings/AppearanceSettings.tsx
+++ b/src/components/settings/AppearanceSettings.tsx
@@ -144,7 +144,7 @@ export function AppearanceSettings() {
         </View>
       )}
 
-      <SettingItem label={t('settings.appearance.toolbar_labels.label', "Show Toolbar Labels")} description={t('settings.appearance.toolbar_labels.description_mobile', "Display text labels next to toolbar icons.")}>
+      <SettingItem label={t('settings.appearance.toolbar_labels.label', "Show Toolbar Labels")} description={t('settings.appearance.toolbar_labels.description_mobile', "Display text labels next to toolbar and navigation icons.")}>
         <ToggleSwitch checked={showToolbarLabels} onChange={setShowToolbarLabels} />
       </SettingItem>