diff --git a/mobile/App.tsx b/mobile/App.tsx
index 5d5976a..f99d2ef 100644
--- a/mobile/App.tsx
+++ b/mobile/App.tsx
@@ -6,8 +6,6 @@ import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import * as Sentry from '@sentry/react-native';
 import Constants from 'expo-constants';
 import { registerRootComponent } from 'expo';
-import { useFonts } from 'expo-font';
-import { Text as RNText } from 'react-native';
 import * as ScreenCapture from 'expo-screen-capture';
 import { StatusBar } from 'expo-status-bar';
 import * as Updates from 'expo-updates';
@@ -77,30 +75,12 @@ const queryClient = new QueryClient({
   },
 });
 
-// Globalny default fontu dla całego <Text> — General Sans Regular jako body.
-// Komponenty które chcą display/mono nadpisują fontFamily jawnie (bo RN nie
-// syntezuje weightów dla custom fontów). Bold-ale-bez-fontFamily tekst zostanie
-// Regular weightem General Sans — wciąż distinctive face, akceptowalne dla
-// nietkniętych ekranów; high-traffic komponenty mają jawny Semibold.
-let _textDefaultApplied = false;
-function applyDefaultFont() {
-  if (_textDefaultApplied) return;
-  _textDefaultApplied = true;
-  const T = RNText as unknown as { defaultProps?: { style?: unknown } };
-  T.defaultProps = T.defaultProps || {};
-  const prev = T.defaultProps.style;
-  T.defaultProps.style = [{ fontFamily: 'GeneralSans-Regular' }, prev].filter(Boolean);
-}
+// NB: custom fonty (General Sans + Geist Mono) USUNIĘTE z bundla 2026-05-31 —
+// `expo-font`/`ExpoFontLoader` natywny moduł NIE jest w APK 0.1.9 (build 22-maja,
+// przed dodaniem expo-font) → useFonts crashował OTA bundle (ErrorRecovery rollback).
+// System font do czasu rebuildu APK z expo-font. Patrz [[reference-ota-runtime-version]].
 
 export default function App() {
-  const [fontsLoaded] = useFonts({
-    'GeneralSans-Regular': require('./assets/fonts/GeneralSans-Regular.ttf'),
-    'GeneralSans-Medium': require('./assets/fonts/GeneralSans-Medium.ttf'),
-    'GeneralSans-Semibold': require('./assets/fonts/GeneralSans-Semibold.ttf'),
-    'GeistMono-Regular': require('./assets/fonts/GeistMono-Regular.ttf'),
-  });
-  if (fontsLoaded) applyDefaultFont();
-
   const [hydrated, setHydrated] = useState(false);
   const [ageAccepted, setAgeAccepted] = useState(false);
   const [client, setClient] = useState<GoonClient | null>(null);
@@ -270,7 +250,7 @@ export default function App() {
     return () => sub.remove();
   }, []);
 
-  if (!fontsLoaded || !hydrated || !lockReady) {
+  if (!hydrated || !lockReady) {
     return (
       <View style={{ flex: 1, backgroundColor: theme.bg, justifyContent: 'center' }}>
         <ActivityIndicator color={theme.fg} />
diff --git a/mobile/app.json b/mobile/app.json
index 79815a4..ccc0189 100644
--- a/mobile/app.json
+++ b/mobile/app.json
@@ -6,7 +6,7 @@
     "orientation": "portrait",
     "userInterfaceStyle": "automatic",
     "newArchEnabled": false,
-    "runtimeVersion": "0.1.9",
+    "runtimeVersion": "1.0",
     "updates": {
       "enabled": true,
       "url": "https://api.goon-foss.org/expo-updates/manifest",
diff --git a/mobile/src/components/GoonWordmark.tsx b/mobile/src/components/GoonWordmark.tsx
index 2691c7b..d8ba112 100644
--- a/mobile/src/components/GoonWordmark.tsx
+++ b/mobile/src/components/GoonWordmark.tsx
@@ -17,7 +17,7 @@ import React from 'react';
 import { Text, View } from 'react-native';
 import Svg, { Circle } from 'react-native-svg';
 
-import { fonts, theme } from '../theme';
+import { theme } from '../theme';
 
 interface WordmarkProps {
   /** fontSize wordmarku w px. */
@@ -29,8 +29,9 @@ interface WordmarkProps {
 }
 
 export function GoonWordmark({ size = 26, color = theme.fg, mono = false }: WordmarkProps) {
+  // System bold (custom font usunięty z OTA bundla — ExpoFontLoader nie w APK).
   const base = {
-    fontFamily: fonts.display,
+    fontWeight: '800' as const,
     fontSize: size,
     letterSpacing: -size * 0.03,
     includeFontPadding: false as const,
diff --git a/mobile/src/components/MoviePosterCard.tsx b/mobile/src/components/MoviePosterCard.tsx
index 78cf24e..af47e6a 100644
--- a/mobile/src/components/MoviePosterCard.tsx
+++ b/mobile/src/components/MoviePosterCard.tsx
@@ -3,7 +3,7 @@
 import { Image } from 'expo-image';
 import React from 'react';
 import { Pressable, StyleSheet, Text, View } from 'react-native';
-import { fonts, theme } from '../theme';
+import { theme } from '../theme';
 import type { MovieOut } from '../types';
 
 export function MoviePosterCard({
@@ -101,7 +101,7 @@ const styles = StyleSheet.create({
     paddingHorizontal: 6,
     paddingVertical: 2,
   },
-  newBadgeText: { color: theme.fg, fontSize: 9, fontFamily: fonts.mono, fontWeight: '700', letterSpacing: 0.6 },
+  newBadgeText: { color: theme.fg, fontSize: 9, fontWeight: '800', letterSpacing: 0.6 },
   posterDimmed: { opacity: 0.45 },
   watchedBadge: {
     position: 'absolute',
@@ -124,7 +124,7 @@ const styles = StyleSheet.create({
     backgroundColor: 'rgba(0,0,0,0.5)',
   },
   progressFg: { height: 3, backgroundColor: theme.accent },
-  title: { color: theme.fg, fontSize: 13, fontFamily: fonts.display, marginTop: 6, letterSpacing: -0.2 },
+  title: { color: theme.fg, fontSize: 13, fontWeight: '600', marginTop: 6, letterSpacing: -0.2 },
   titleDimmed: { color: theme.muted },
-  meta: { color: theme.muted, fontSize: 10, fontFamily: fonts.mono, marginTop: 2, letterSpacing: 0.5, textTransform: 'uppercase' },
+  meta: { color: theme.muted, fontSize: 10, fontWeight: '600', marginTop: 2, letterSpacing: 0.5, textTransform: 'uppercase' },
 });
diff --git a/mobile/src/components/SceneTile.tsx b/mobile/src/components/SceneTile.tsx
index 94749cc..7f1cee7 100644
--- a/mobile/src/components/SceneTile.tsx
+++ b/mobile/src/components/SceneTile.tsx
@@ -27,7 +27,7 @@ import React, { useState } from 'react';
 import { Pressable, StyleSheet, Text, View } from 'react-native';
 
 import type { RootStackParamList } from '../navigation';
-import { fonts, theme } from '../theme';
+import { theme } from '../theme';
 import type { SceneOut } from '../types';
 import { Thumb } from './Thumb';
 
@@ -190,13 +190,13 @@ const styles = StyleSheet.create({
   durText: {
     color: theme.fg,
     fontSize: 11,
-    fontFamily: fonts.mono,
+    fontWeight: '600',
     fontVariant: ['tabular-nums'],
   },
   title: {
     color: theme.fg,
     fontSize: 14,
-    fontFamily: fonts.display,
+    fontWeight: '600',
     marginTop: 8,
     letterSpacing: -0.2,
   },
@@ -204,7 +204,7 @@ const styles = StyleSheet.create({
   meta: {
     color: theme.muted,
     fontSize: 10,
-    fontFamily: fonts.mono,
+    fontWeight: '600',
     marginTop: 3,
     letterSpacing: 0.5,
     textTransform: 'uppercase',
diff --git a/mobile/src/navigation.tsx b/mobile/src/navigation.tsx
index 2613853..56f44bb 100644
--- a/mobile/src/navigation.tsx
+++ b/mobile/src/navigation.tsx
@@ -24,7 +24,7 @@ import { SitesScreen } from './screens/SitesScreen';
 import { StudioScenesScreen } from './screens/StudioScenesScreen';
 import { TagScenesScreen } from './screens/TagScenesScreen';
 import { TagsScreen } from './screens/TagsScreen';
-import { fonts, theme } from './theme';
+import { theme } from './theme';
 
 export type RootStackParamList = {
   Scenes: undefined;
@@ -101,7 +101,7 @@ function TopTabs({
               style={{
                 color: active ? theme.accent : theme.muted,
                 fontSize: 13,
-                fontFamily: active ? fonts.display : fonts.medium,
+                fontWeight: active ? '700' : '500',
                 letterSpacing: 0.3,
               }}
             >
@@ -145,7 +145,7 @@ export function AppNavigator({ onLogout, client, appVersion }: AppNavigatorProps
         <Stack.Navigator
         screenOptions={{
           headerStyle: { backgroundColor: theme.card },
-          headerTitleStyle: { color: theme.fg, fontFamily: fonts.display },
+          headerTitleStyle: { color: theme.fg },
           headerTintColor: theme.accent,
           contentStyle: { backgroundColor: theme.bg },
         }}
diff --git a/mobile/src/theme.ts b/mobile/src/theme.ts
index 4c428f7..6a88c38 100644
--- a/mobile/src/theme.ts
+++ b/mobile/src/theme.ts
@@ -56,11 +56,15 @@ export const theme = {
  * Gdy useFonts jeszcze nie ready, App.tsx blokuje render (fonty z bundla
  * ładują się <100ms), więc te stałe są zawsze valid przy pierwszym paint.
  */
+// Custom fonty USUNIĘTE z OTA bundla 2026-05-31 (ExpoFontLoader native nie ma w
+// APK 0.1.9 → crash). `undefined` = system font (San Francisco/Roboto). Komponenty
+// fallbackują na fontWeight dla hierarchii. Przywrócić do realnych rodzin gdy
+// nowy APK z expo-font wejdzie do dystrybucji. Patrz [[reference-ota-runtime-version]].
 export const fonts = {
-  body: 'GeneralSans-Regular',
-  medium: 'GeneralSans-Medium',
-  display: 'GeneralSans-Semibold',
-  mono: 'GeistMono-Regular',
+  body: undefined as string | undefined,
+  medium: undefined as string | undefined,
+  display: undefined as string | undefined,
+  mono: undefined as string | undefined,
 } as const;
 
 export function scoreColor(score: number): string {
diff --git a/scripts/publish_update.py b/scripts/publish_update.py
index d371406..e968dbb 100644
--- a/scripts/publish_update.py
+++ b/scripts/publish_update.py
@@ -29,7 +29,7 @@ from pathlib import Path
 ROOT = Path(__file__).resolve().parent.parent
 MOBILE = ROOT / "mobile"
 DIST = MOBILE / "dist"
-RUNTIME_DEFAULT = "0.1.9"  # MUSI == EXPO_RUNTIME_VERSION w APK (AndroidManifest). Zweryfikowane 2026-05-31.
+RUNTIME_DEFAULT = "1.0"  # == EXPO_RUNTIME_VERSION w APK (zweryfikowane emulatorem 2026-05-31: app akceptuje TYLKO runtime 1.0).
 # Operator config — set in your shell / .env.local before running this script.
 # Defaults are placeholders intended to fail loudly if you forgot to configure.
 VPS = os.environ.get("GOON_VPS_SSH", "root@your-vps.example.com")