diff --git a/android/src/main/java/com/usercentrics/reactnative/extensions/BannerSettingsExtensions.kt b/android/src/main/java/com/usercentrics/reactnative/extensions/BannerSettingsExtensions.kt
index 3f19ae3..4f937b7 100644
--- a/android/src/main/java/com/usercentrics/reactnative/extensions/BannerSettingsExtensions.kt
+++ b/android/src/main/java/com/usercentrics/reactnative/extensions/BannerSettingsExtensions.kt
@@ -176,7 +176,8 @@ internal fun ReadableMap.generalStyleSettingsFromMap(context: Context): GeneralS
         font = getMap("font")?.bannerFontFromMap(context = context),
         logo = getMap("logo")?.bannerLogoFromMap(context = context),
         links = getString("links")?.legalLinksFromEnumString(),
-        disableSystemBackButton = getBooleanOrNull("disableSystemBackButton")
+        disableSystemBackButton = getBooleanOrNull("disableSystemBackButton"),
+        windowFullscreen = getBooleanOrNull("windowFullscreen")
     )
 }
 
diff --git a/sample/android/app/src/main/java/com/usercentrics/reactnativesdk/sample/MainActivity.kt b/sample/android/app/src/main/java/com/usercentrics/reactnativesdk/sample/MainActivity.kt
index 73617c0..1483200 100644
--- a/sample/android/app/src/main/java/com/usercentrics/reactnativesdk/sample/MainActivity.kt
+++ b/sample/android/app/src/main/java/com/usercentrics/reactnativesdk/sample/MainActivity.kt
@@ -1,6 +1,7 @@
 package com.usercentrics.reactnativesdk.sample
 
 import android.os.Bundle
+import androidx.core.view.WindowCompat
 import com.facebook.react.ReactActivity
 import com.facebook.react.ReactActivityDelegate
 import com.facebook.react.defaults.DefaultReactActivityDelegate
@@ -27,5 +28,6 @@ class MainActivity : ReactActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        WindowCompat.setDecorFitsSystemWindows(window, false)
     }
 }
diff --git a/sample/src/screens/CustomizationExamples.tsx b/sample/src/screens/CustomizationExamples.tsx
index b019168..7c22b2d 100644
--- a/sample/src/screens/CustomizationExamples.tsx
+++ b/sample/src/screens/CustomizationExamples.tsx
@@ -95,6 +95,17 @@ export const customizationExampleTwo: BannerSettings = {
 }
 
 
+// MSDK-4636: exercises the windowFullscreen backward-compat workaround (Android only) —
+// see https://usercentrics.atlassian.net/browse/MSDK-4636
+export const windowFullscreenExample: BannerSettings = {
+    firstLayerStyleSettings: {
+        layout: UsercentricsLayout.full,
+    },
+    generalStyleSettings: {
+        windowFullscreen: true,
+    }
+}
+
 function createBannerLogo(): BannerLogo {
     // Logo name is used for iOS and the Image.resolveAssetSource is used for Android.
     const customLogo = new BannerLogo("logo.png", Image.resolveAssetSource(require('../../assets/images/logo.png')))
diff --git a/sample/src/screens/Home.tsx b/sample/src/screens/Home.tsx
index 66a7cd4..171f858 100644
--- a/sample/src/screens/Home.tsx
+++ b/sample/src/screens/Home.tsx
@@ -6,7 +6,7 @@ import {
     UsercentricsConsentUserResponse,
     UsercentricsServiceConsent,
 } from '@usercentrics/react-native-sdk';
-import { customizationExampleOne, customizationExampleTwo } from './CustomizationExamples';
+import { customizationExampleOne, customizationExampleTwo, windowFullscreenExample } from './CustomizationExamples';
 
 export const HomeScreen = ({ navigation }: { navigation: any }) => {
     function applyConsent(_consents?: UsercentricsServiceConsent[] | null) {
@@ -94,6 +94,7 @@ export const HomeScreen = ({ navigation }: { navigation: any }) => {
             <Button onPress={showSecondLayer} title="Show Second Layer" />
             <Button onPress={() => showFirstLayer(customizationExampleOne)} title="Customization Example 1" />
             <Button onPress={() => showFirstLayer(customizationExampleTwo)} title="Customization Example 2" />
+            <Button onPress={() => showFirstLayer(windowFullscreenExample)} title="Window Fullscreen (Android)" />
             <Button onPress={async () => { await Usercentrics.status(); navigation.navigate('CustomUI'); }} title="Custom UI" />
             <Button onPress={async () => { await Usercentrics.status(); navigation.navigate('WebviewIntegration'); }} title="Webview Integration" />
             <Button onPress={() => navigation.navigate('GPPTesting')} title="GPP Testing" />
diff --git a/src/models/BannerSettings.tsx b/src/models/BannerSettings.tsx
index 4f268a9..cc26b49 100644
--- a/src/models/BannerSettings.tsx
+++ b/src/models/BannerSettings.tsx
@@ -74,6 +74,11 @@ export class GeneralStyleSettings {
     bordersColorHex?: String;
     toggleStyleSettings?: ToggleStyleSettings;
     disableSystemBackButton?: Boolean;
+    /**
+     * Android-only. Backward-compat workaround for publishers who relied on the legacy
+     * fullscreen dialog behavior prior to the edge-to-edge fix. Has no effect on iOS.
+     */
+    windowFullscreen?: Boolean;
 
     constructor(font?: BannerFont,
                 logo?: BannerLogo,
@@ -85,7 +90,8 @@ export class GeneralStyleSettings {
                 tabColorHex?: String,
                 bordersColorHex?: String,
                 toggleStyleSettings?: ToggleStyleSettings,
-                disableSystemBackButton?: Boolean
+                disableSystemBackButton?: Boolean,
+                windowFullscreen?: Boolean
     ) {
         this.font = font;
         this.logo = logo;
@@ -98,6 +104,7 @@ export class GeneralStyleSettings {
         this.bordersColorHex = bordersColorHex;
         this.toggleStyleSettings = toggleStyleSettings;
         this.disableSystemBackButton = disableSystemBackButton;
+        this.windowFullscreen = windowFullscreen;
     }
 }