diff --git a/apps/rebreak-native/app/(app)/_layout.tsx b/apps/rebreak-native/app/(app)/_layout.tsx
index fea154d..29c2ab8 100644
--- a/apps/rebreak-native/app/(app)/_layout.tsx
+++ b/apps/rebreak-native/app/(app)/_layout.tsx
@@ -1,19 +1,23 @@
-import { useEffect, useRef, useState } from 'react';
+import { useCallback, useEffect, useRef, useState } from 'react';
 import { View, ActivityIndicator, AppState, Platform } from 'react-native';
 import { useRouter } from 'expo-router';
 import * as Notifications from 'expo-notifications';
 import { useTranslation } from 'react-i18next';
+import AsyncStorage from '@react-native-async-storage/async-storage';
 import { useAuthStore } from '../../stores/auth';
 import { useNotificationStore } from '../../stores/notifications';
 import { useMailConsentStore } from '../../stores/mailConsent';
 import { useColors } from '../../lib/theme';
 import { NativeTabs } from '../../components/NativeTabs';
 import { MailConsentReminderSheet } from '../../components/mail/MailConsentReminderSheet';
+import { ProtectionOnboardingSheet } from '../../components/ProtectionOnboardingSheet';
 import { protection } from '../../lib/protection';
 import { preloadTabIcons, getTabIcon } from '../../lib/tabIcons';
 import { apiFetch } from '../../lib/api';
 import { useQuery } from '@tanstack/react-query';
 
+const ONBOARDING_COMPLETED_KEY = '@rebreak/protection-onboarding-completed';
+
 type DmConvUnreadSlice = { unreadCount?: number };
 
 export default function AppLayout() {
@@ -29,6 +33,42 @@ export default function AppLayout() {
   const rearmInFlightRef = useRef(false);
   const bypassNotifiedRef = useRef(false);
 
+  // Android-only: Onboarding-Sheet bis beide Layer eingerichtet sind
+  const [onboardingVisible, setOnboardingVisible] = useState(false);
+
+  const checkAndShowOnboarding = useCallback(async () => {
+    if (Platform.OS !== 'android') return;
+    const completed = await AsyncStorage.getItem(ONBOARDING_COMPLETED_KEY);
+    if (completed === '1') return;
+    const layers = await protection.getDeviceState().catch(() => null);
+    if (!layers) return;
+    const vpnActive = layers.vpn === true;
+    const a11yActive = layers.accessibility === true;
+    if (vpnActive && a11yActive) {
+      await AsyncStorage.setItem(ONBOARDING_COMPLETED_KEY, '1');
+      return;
+    }
+    setOnboardingVisible(true);
+  }, []);
+
+  useEffect(() => {
+    if (!session || Platform.OS !== 'android') return;
+    checkAndShowOnboarding();
+    const sub = AppState.addEventListener('change', (next) => {
+      if (next === 'active') checkAndShowOnboarding();
+    });
+    return () => sub.remove();
+  }, [session, checkAndShowOnboarding]);
+
+  async function handleOnboardingComplete() {
+    await AsyncStorage.setItem(ONBOARDING_COMPLETED_KEY, '1');
+    setOnboardingVisible(false);
+  }
+
+  function handleOnboardingSkip() {
+    setOnboardingVisible(false);
+  }
+
   // Unread DMs → badge on the Chat tab. Same query key chat.tsx uses, so
   // React Query dedupes (no double fetch when both layouts mount).
   const { data: dmConvs = [] } = useQuery<DmConvUnreadSlice[]>({
@@ -196,6 +236,13 @@ export default function AppLayout() {
         onConsented={markConsented}
       />
     )}
+    {Platform.OS === 'android' && (
+      <ProtectionOnboardingSheet
+        visible={onboardingVisible}
+        onComplete={handleOnboardingComplete}
+        onSkip={handleOnboardingSkip}
+      />
+    )}
     <NativeTabs
       sidebarAdaptable
       hapticFeedbackEnabled
diff --git a/apps/rebreak-native/app/(app)/blocker.tsx b/apps/rebreak-native/app/(app)/blocker.tsx
index 3029392..429eeb2 100644
--- a/apps/rebreak-native/app/(app)/blocker.tsx
+++ b/apps/rebreak-native/app/(app)/blocker.tsx
@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
-import { Animated, ScrollView, Text, View, Alert, ActivityIndicator, TouchableOpacity } from 'react-native';
+import { Animated, AppState, Platform, ScrollView, Text, View, Alert, ActivityIndicator, TouchableOpacity } from 'react-native';
 import { useRouter } from 'expo-router';
 import { useBottomTabBarHeight } from 'react-native-bottom-tabs';
 import { useTranslation } from 'react-i18next';
@@ -87,6 +87,14 @@ export default function BlockerScreen() {
     });
   }, [urlFilterActive, syncBlocklist, refresh]);
 
+  // Wenn User aus System-Settings zurückkommt (z.B. nach a11y-Aktivierung) → State neu laden.
+  useEffect(() => {
+    const sub = AppState.addEventListener('change', (next) => {
+      if (next === 'active') refresh();
+    });
+    return () => sub.remove();
+  }, [refresh]);
+
   // ─── Activate-Handler pro Layer ──────────────────────────────────────
 
   async function handleActivateUrlFilter() {
@@ -242,6 +250,19 @@ export default function BlockerScreen() {
                     onActivate={handleActivateFamilyControls}
                     warning={t('blocker.layers_app_lock_warning')}
                   />
+                ) : Platform.OS === 'android' ? (
+                  <LayerSwitchCard
+                    icon="lock-closed-outline"
+                    title={t('blocker.layers_app_lock_title')}
+                    subtitle={
+                      state.layers.accessibility === true
+                        ? t('blocker.layers_a11y_subtitle_active')
+                        : t('blocker.layers_a11y_subtitle_inactive')
+                    }
+                    active={state.layers.accessibility === true}
+                    onActivate={handleActivateFamilyControls}
+                    warning={t('blocker.layers_app_lock_warning')}
+                  />
                 ) : (
                   <View
                     style={{
diff --git a/apps/rebreak-native/components/ProtectionOnboardingSheet.tsx b/apps/rebreak-native/components/ProtectionOnboardingSheet.tsx
new file mode 100644
index 0000000..a070d50
--- /dev/null
+++ b/apps/rebreak-native/components/ProtectionOnboardingSheet.tsx
@@ -0,0 +1,280 @@
+import { useEffect, useRef, useState } from 'react';
+import { AppState, Text, View } from 'react-native';
+import { useTranslation } from 'react-i18next';
+import { Ionicons } from '@expo/vector-icons';
+import { FormSheet } from './FormSheet';
+import { useColors } from '../lib/theme';
+import { protection } from '../lib/protection';
+
+type StepState = 'pending' | 'done';
+
+export function ProtectionOnboardingSheet({
+  visible,
+  onComplete,
+  onSkip,
+}: {
+  visible: boolean;
+  onComplete: () => void;
+  onSkip: () => void;
+}) {
+  const { t } = useTranslation();
+  const colors = useColors();
+
+  const [vpnState, setVpnState] = useState<StepState>('pending');
+  const [a11yState, setA11yState] = useState<StepState>('pending');
+  const [vpnLoading, setVpnLoading] = useState(false);
+  const [a11yLoading, setA11yLoading] = useState(false);
+
+  const vpnDone = vpnState === 'done';
+  const a11yDone = a11yState === 'done';
+
+  // AppState-Listener: User kehrt aus System-Settings zurück → State neu abfragen
+  const refreshInFlightRef = useRef(false);
+  useEffect(() => {
+    if (!visible) return;
+
+    async function refresh() {
+      if (refreshInFlightRef.current) return;
+      refreshInFlightRef.current = true;
+      try {
+        const layers = await protection.getDeviceState();
+        const vpnActive = layers.vpn === true;
+        const a11yActive = layers.accessibility === true;
+        if (vpnActive) setVpnState('done');
+        if (a11yActive && vpnActive) setA11yState('done');
+      } finally {
+        refreshInFlightRef.current = false;
+      }
+    }
+
+    refresh();
+    const sub = AppState.addEventListener('change', (next) => {
+      if (next === 'active') refresh();
+    });
+    return () => sub.remove();
+  }, [visible]);
+
+  // Beide Steps done → onComplete
+  useEffect(() => {
+    if (vpnDone && a11yDone) {
+      const t = setTimeout(onComplete, 400);
+      return () => clearTimeout(t);
+    }
+  }, [vpnDone, a11yDone, onComplete]);
+
+  async function handleVpnStep() {
+    setVpnLoading(true);
+    try {
+      const result = await protection.activateUrlFilter();
+      if (result.enabled) setVpnState('done');
+    } finally {
+      setVpnLoading(false);
+    }
+  }
+
+  async function handleA11yStep() {
+    if (!vpnDone) return;
+    setA11yLoading(true);
+    try {
+      const result = await protection.activateFamilyControls();
+      if (result.enabled) setA11yState('done');
+    } finally {
+      setA11yLoading(false);
+    }
+  }
+
+  return (
+    <FormSheet
+      visible={visible}
+      onClose={onSkip}
+      title={t('protection_onboarding.sheet_title')}
+      initialHeightPct={0.58}
+      minHeightPct={0.35}
+      backdropOpacity={0.18}
+      dismissOnBackdrop={false}
+      growWithKeyboard={false}
+    >
+      <View style={{ flex: 1, paddingHorizontal: 20, paddingTop: 16, gap: 12 }}>
+        <Text
+          style={{
+            fontSize: 13,
+            fontFamily: 'Nunito_400Regular',
+            color: colors.textMuted,
+            lineHeight: 19,
+            marginBottom: 4,
+          }}
+        >
+          {t('protection_onboarding.sheet_intro')}
+        </Text>
+
+        {/* Step 1 — VPN */}
+        <StepCard
+          stepNumber={1}
+          title={t('protection_onboarding.step_vpn_title')}
+          description={t('protection_onboarding.step_vpn_desc')}
+          state={vpnState}
+          loading={vpnLoading}
+          disabled={false}
+          ctaLabel={t('protection_onboarding.step_vpn_cta')}
+          onPress={handleVpnStep}
+          colors={colors}
+        />
+
+        {/* Step 2 — A11y */}
+        <StepCard
+          stepNumber={2}
+          title={t('protection_onboarding.step_a11y_title')}
+          description={t('protection_onboarding.step_a11y_desc')}
+          state={a11yState}
+          loading={a11yLoading}
+          disabled={!vpnDone}
+          ctaLabel={t('protection_onboarding.step_a11y_cta')}
+          onPress={handleA11yStep}
+          colors={colors}
+        />
+
+        <View style={{ flex: 1 }} />
+
+        {/* Skip */}
+        <View style={{ alignItems: 'center', paddingBottom: 8 }}>
+          <Text
+            onPress={onSkip}
+            style={{
+              fontSize: 13,
+              fontFamily: 'Nunito_600SemiBold',
+              color: colors.textMuted,
+              textDecorationLine: 'underline',
+            }}
+          >
+            {t('protection_onboarding.skip_cta')}
+          </Text>
+        </View>
+      </View>
+    </FormSheet>
+  );
+}
+
+// ─── StepCard ────────────────────────────────────────────────────────────────
+
+import { ActivityIndicator, TouchableOpacity } from 'react-native';
+import type { ColorScheme } from '../lib/theme';
+
+function StepCard({
+  stepNumber,
+  title,
+  description,
+  state,
+  loading,
+  disabled,
+  ctaLabel,
+  onPress,
+  colors,
+}: {
+  stepNumber: number;
+  title: string;
+  description: string;
+  state: StepState;
+  loading: boolean;
+  disabled: boolean;
+  ctaLabel: string;
+  onPress: () => void;
+  colors: ColorScheme;
+}) {
+  const done = state === 'done';
+
+  return (
+    <View
+      style={{
+        backgroundColor: colors.surface,
+        borderRadius: 16,
+        borderWidth: 1,
+        borderColor: done ? '#16a34a40' : disabled ? colors.border : colors.border,
+        padding: 14,
+        gap: 10,
+        opacity: disabled ? 0.48 : 1,
+      }}
+    >
+      {/* Header row */}
+      <View style={{ flexDirection: 'row', alignItems: 'center', gap: 10 }}>
+        {/* Step badge / checkmark */}
+        <View
+          style={{
+            width: 28,
+            height: 28,
+            borderRadius: 14,
+            backgroundColor: done ? '#16a34a' : disabled ? colors.surfaceElevated : colors.brandOrange + '18',
+            alignItems: 'center',
+            justifyContent: 'center',
+          }}
+        >
+          {done ? (
+            <Ionicons name="checkmark" size={16} color="#fff" />
+          ) : (
+            <Text
+              style={{
+                fontSize: 13,
+                fontFamily: 'Nunito_700Bold',
+                color: disabled ? colors.textMuted : colors.brandOrange,
+              }}
+            >
+              {stepNumber}
+            </Text>
+          )}
+        </View>
+
+        <View style={{ flex: 1 }}>
+          <Text style={{ fontSize: 14, fontFamily: 'Nunito_700Bold', color: colors.text }}>
+            {title}
+          </Text>
+        </View>
+
+        {/* Lock icon when disabled */}
+        {disabled && (
+          <Ionicons name="lock-closed" size={16} color={colors.textMuted} />
+        )}
+      </View>
+
+      <Text
+        style={{
+          fontSize: 12,
+          fontFamily: 'Nunito_400Regular',
+          color: colors.textMuted,
+          lineHeight: 17,
+        }}
+      >
+        {description}
+      </Text>
+
+      {!done && (
+        <TouchableOpacity
+          onPress={onPress}
+          disabled={disabled || loading}
+          activeOpacity={0.8}
+          style={{
+            backgroundColor: disabled ? colors.surfaceElevated : colors.brandOrange,
+            borderRadius: 10,
+            paddingVertical: 10,
+            alignItems: 'center',
+            justifyContent: 'center',
+            flexDirection: 'row',
+            gap: 6,
+          }}
+        >
+          {loading ? (
+            <ActivityIndicator size="small" color={disabled ? colors.textMuted : '#fff'} />
+          ) : (
+            <Text
+              style={{
+                fontSize: 14,
+                fontFamily: 'Nunito_700Bold',
+                color: disabled ? colors.textMuted : '#fff',
+              }}
+            >
+              {ctaLabel}
+            </Text>
+          )}
+        </TouchableOpacity>
+      )}
+    </View>
+  );
+}
diff --git a/apps/rebreak-native/locales/de.json b/apps/rebreak-native/locales/de.json
index e8c0665..9dc7e9b 100644
--- a/apps/rebreak-native/locales/de.json
+++ b/apps/rebreak-native/locales/de.json
@@ -293,6 +293,8 @@
     "layers_app_lock_subtitle_active": "Verriegelt — Abschalten nur über die Abkühlphase",
     "layers_app_lock_subtitle_inactive": "Verhindert, dass du ReBreak oder den Filter im Impuls abschaltest",
     "layers_app_lock_warning": "Sobald aktiv kannst du den Schutz nur über einen 24-Stunden-Cooldown abschalten. Das ist gewollt.",
+    "layers_a11y_subtitle_active": "Eingabehilfe aktiv — App-Schutz armiert",
+    "layers_a11y_subtitle_inactive": "Eingabehilfe nicht aktiviert — jetzt einrichten",
     "kpi_global_label": "Geblockte Domains weltweit",
     "kpi_global_subtitle": "Aktive Einträge in der globalen Blockliste",
     "delta_week": "diese Woche",
@@ -345,6 +347,17 @@
     "empty_web": "Noch keine eigenen Domains.\nTippe + um eine hinzuzufügen.",
     "empty_mail": "Noch keine Mail-Domains. Tippe + um eine E-Mail-Adresse oder Domain zu blockieren."
   },
+  "protection_onboarding": {
+    "sheet_title": "Schutz einrichten",
+    "sheet_intro": "Richte beide Schutz-Layer ein — in dieser Reihenfolge. Sobald der App-Schutz aktiv ist, kannst du VPN-Einstellungen nicht mehr öffnen.",
+    "step_vpn_title": "VPN-Schutz aktivieren",
+    "step_vpn_desc": "Blockiert Glücksspiel-Domains DNS-weit auf deinem Gerät. Muss zuerst eingerichtet werden.",
+    "step_vpn_cta": "VPN-Schutz aktivieren",
+    "step_a11y_title": "App-Sperre aktivieren",
+    "step_a11y_desc": "Verhindert, dass du ReBreak oder den VPN-Schutz im Impuls abschaltest. Nur nach dem VPN-Schritt verfügbar.",
+    "step_a11y_cta": "App-Sperre aktivieren",
+    "skip_cta": "Später einrichten"
+  },
   "mail": {
     "title": "Mail-Schutz",
     "subtitle": "Gambling-Mails automatisch blockieren",
diff --git a/apps/rebreak-native/locales/en.json b/apps/rebreak-native/locales/en.json
index 07c28e3..5c43e67 100644
--- a/apps/rebreak-native/locales/en.json
+++ b/apps/rebreak-native/locales/en.json
@@ -293,6 +293,8 @@
     "layers_app_lock_subtitle_active": "Locked — disable only via the cooldown",
     "layers_app_lock_subtitle_inactive": "Stops you from switching off ReBreak or the filter on impulse",
     "layers_app_lock_warning": "Once active, you can only disable protection through a 24-hour cooldown. That's by design.",
+    "layers_a11y_subtitle_active": "Accessibility active — app protection armed",
+    "layers_a11y_subtitle_inactive": "Accessibility not enabled — set it up now",
     "kpi_global_label": "Domains blocked worldwide",
     "kpi_global_subtitle": "Active entries in the global blocklist",
     "delta_week": "this week",
@@ -345,6 +347,17 @@
     "empty_web": "No custom domains yet.\nTap + to add one.",
     "empty_mail": "No mail domains yet. Tap + to block an email address or domain."
   },
+  "protection_onboarding": {
+    "sheet_title": "Set up protection",
+    "sheet_intro": "Set up both protection layers in this order. Once the app lock is active, you won't be able to open VPN settings anymore.",
+    "step_vpn_title": "Enable VPN protection",
+    "step_vpn_desc": "Blocks gambling domains system-wide via DNS on your device. Must be set up first.",
+    "step_vpn_cta": "Enable VPN protection",
+    "step_a11y_title": "Enable app lock",
+    "step_a11y_desc": "Prevents you from impulsively disabling ReBreak or the VPN filter. Only available after the VPN step.",
+    "step_a11y_cta": "Enable app lock",
+    "skip_cta": "Set up later"
+  },
   "mail": {
     "title": "Mail Shield",
     "subtitle": "Automatically block gambling emails",