diff --git a/Libraries/Inspector/resolveBoxStyle.js b/Libraries/Inspector/resolveBoxStyle.js
index 15dfaf3061d810..1f013ed064ba3c 100644
--- a/Libraries/Inspector/resolveBoxStyle.js
+++ b/Libraries/Inspector/resolveBoxStyle.js
@@ -69,7 +69,8 @@ function resolveBoxStyle(
 
     const styleForEnd = style[prefix + 'End'];
     if (styleForEnd != null) {
-      if (I18nManager.isRTL && I18nManager.doLeftAndRightSwapInRTL) {
+      const constants = I18nManager.getConstants();
+      if (constants.isRTL && constants.doLeftAndRightSwapInRTL) {
         result.left = styleForEnd;
       } else {
         result.right = styleForEnd;
@@ -78,7 +79,8 @@ function resolveBoxStyle(
     }
     const styleForStart = style[prefix + 'Start'];
     if (styleForStart != null) {
-      if (I18nManager.isRTL && I18nManager.doLeftAndRightSwapInRTL) {
+      const constants = I18nManager.getConstants();
+      if (constants.isRTL && constants.doLeftAndRightSwapInRTL) {
         result.right = styleForStart;
       } else {
         result.left = styleForStart;
diff --git a/Libraries/Modal/Modal.js b/Libraries/Modal/Modal.js
index e364ec0af7f74c..c31c226eab6293 100644
--- a/Libraries/Modal/Modal.js
+++ b/Libraries/Modal/Modal.js
@@ -272,7 +272,7 @@ class Modal extends React.Component<Props> {
   }
 }
 
-const side = I18nManager.isRTL ? 'right' : 'left';
+const side = I18nManager.getConstants().isRTL ? 'right' : 'left';
 const styles = StyleSheet.create({
   modal: {
     position: 'absolute',
diff --git a/Libraries/ReactNative/I18nManager.js b/Libraries/ReactNative/I18nManager.js
index da2767a842068f..9ca6b9eaa8df41 100644
--- a/Libraries/ReactNative/I18nManager.js
+++ b/Libraries/ReactNative/I18nManager.js
@@ -9,21 +9,6 @@
  */
 'use strict';
 
-type I18nManagerStatus = {
-  isRTL: boolean,
-  doLeftAndRightSwapInRTL: boolean,
-  allowRTL: (allowRTL: boolean) => {},
-  forceRTL: (forceRTL: boolean) => {},
-  swapLeftAndRightInRTL: (flipStyles: boolean) => {},
-};
+import NativeI18nManager from './NativeI18nManager';
 
-const I18nManager: I18nManagerStatus = require('../BatchedBridge/NativeModules')
-  .I18nManager || {
-  isRTL: false,
-  doLeftAndRightSwapInRTL: true,
-  allowRTL: () => {},
-  forceRTL: () => {},
-  swapLeftAndRightInRTL: () => {},
-};
-
-module.exports = I18nManager;
+module.exports = NativeI18nManager;
diff --git a/Libraries/ReactNative/NativeI18nManager.js b/Libraries/ReactNative/NativeI18nManager.js
new file mode 100644
index 00000000000000..649ef58253dc1c
--- /dev/null
+++ b/Libraries/ReactNative/NativeI18nManager.js
@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+import type {TurboModule} from 'RCTExport';
+import * as TurboModuleRegistry from 'TurboModuleRegistry';
+
+export interface Spec extends TurboModule {
+  +getConstants: () => {|
+    isRTL: boolean,
+    doLeftAndRightSwapInRTL: boolean,
+  |};
+  allowRTL: (allowRTL: boolean) => void;
+  forceRTL: (forceRTL: boolean) => void;
+  swapLeftAndRightInRTL: (flipStyles: boolean) => void;
+}
+
+export default TurboModuleRegistry.getEnforcing<Spec>('I18nManager');
diff --git a/RNTester/js/RTLExample.js b/RNTester/js/RTLExample.js
index 38462ee5bfabe7..3beae7a2f1bacd 100644
--- a/RNTester/js/RTLExample.js
+++ b/RNTester/js/RTLExample.js
@@ -46,7 +46,7 @@ const SCALE = PixelRatio.get();
 const IMAGE_DIMENSION = 100 * SCALE;
 const IMAGE_SIZE = [IMAGE_DIMENSION, IMAGE_DIMENSION];
 
-const IS_RTL = I18nManager.isRTL;
+const IS_RTL = I18nManager.getConstants().isRTL;
 
 function ListItem(props) {
   return (