diff --git a/Libraries/Settings/RCTSettingsManager.m b/Libraries/Settings/RCTSettingsManager.mm
similarity index 72%
rename from Libraries/Settings/RCTSettingsManager.m
rename to Libraries/Settings/RCTSettingsManager.mm
index 5e3757d30cd..d55adcfaed3 100644
--- a/Libraries/Settings/RCTSettingsManager.m
+++ b/Libraries/Settings/RCTSettingsManager.mm
@@ -7,11 +7,17 @@
 
 #import <React/RCTSettingsManager.h>
 
+#import <FBReactNativeSpec/FBReactNativeSpec.h>
 #import <React/RCTBridge.h>
 #import <React/RCTConvert.h>
 #import <React/RCTEventDispatcher.h>
 #import <React/RCTUtils.h>
 
+#import "RCTSettingsPlugins.h"
+
+@interface RCTSettingsManager() <NativeSettingsManagerSpec>
+@end
+
 @implementation RCTSettingsManager
 {
   BOOL _ignoringUpdates;
@@ -51,14 +57,16 @@ RCT_EXPORT_MODULE()
   [[NSNotificationCenter defaultCenter] removeObserver:self];
 }
 
-- (NSDictionary<NSString *, id> *)constantsToExport
+- (facebook::react::ModuleConstants<JS::NativeSettingsManager::Constants>)constantsToExport
 {
-  return [self getConstants];
+  return (facebook::react::ModuleConstants<JS::NativeSettingsManager::Constants>)[self getConstants];
 }
 
-- (NSDictionary<NSString *, id> *)getConstants
+- (facebook::react::ModuleConstants<JS::NativeSettingsManager::Constants>)getConstants
 {
-  return @{@"settings": RCTJSONClean([_defaults dictionaryRepresentation])};
+  return facebook::react::typedConstants<JS::NativeSettingsManager::Constants>({
+    .settings = RCTJSONClean([_defaults dictionaryRepresentation])
+  });
 }
 
 - (void)userDefaultsDidChange:(NSNotification *)note
@@ -109,4 +117,15 @@ RCT_EXPORT_METHOD(deleteValues:(NSArray<NSString *> *)keys)
   _ignoringUpdates = NO;
 }
 
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModuleWithJsInvoker:
+  (std::shared_ptr<facebook::react::CallInvoker>)jsInvoker
+{
+  return std::make_shared<facebook::react::NativeSettingsManagerSpecJSI>(self, jsInvoker);
+}
+
 @end
+
+Class RCTSettingsManagerCls(void)
+{
+  return RCTSettingsManager.class;
+}
diff --git a/Libraries/Settings/RCTSettingsPlugins.h b/Libraries/Settings/RCTSettingsPlugins.h
new file mode 100644
index 00000000000..0967c097d21
--- /dev/null
+++ b/Libraries/Settings/RCTSettingsPlugins.h
@@ -0,0 +1,40 @@
+/**
+ * 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.
+ *
+ * @generated by an internal plugin build system
+ */
+
+#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
+
+// FB Internal: Plugins.h is autogenerated by the build system.
+#import "Plugins.h"
+
+#else
+
+// OSS-compatibility layer
+
+#import <Foundation/Foundation.h>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// RCTTurboModuleManagerDelegate should call this to resolve module classes.
+Class RCTSettingsClassProvider(const char *name);
+
+// Lookup functions
+Class RCTSettingsManagerCls(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#pragma GCC diagnostic pop
+
+#endif // RN_DISABLE_OSS_PLUGIN_HEADER
diff --git a/Libraries/Settings/RCTSettingsPlugins.mm b/Libraries/Settings/RCTSettingsPlugins.mm
new file mode 100644
index 00000000000..09438ed1fc3
--- /dev/null
+++ b/Libraries/Settings/RCTSettingsPlugins.mm
@@ -0,0 +1,32 @@
+/**
+ * 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.
+ *
+ * @generated by an internal plugin build system
+ */
+
+#ifndef RN_DISABLE_OSS_PLUGIN_HEADER
+
+// OSS-compatibility layer
+
+#import "RCTSettingsPlugins.h"
+
+#import <string>
+#import <unordered_map>
+
+Class RCTSettingsClassProvider(const char *name) {
+  static std::unordered_map<std::string, Class (*)(void)> sCoreModuleClassMap = {
+    {"SettingsManager", RCTSettingsManagerCls},
+  };
+
+  auto p = sCoreModuleClassMap.find(name);
+  if (p != sCoreModuleClassMap.end()) {
+    auto classFunc = p->second;
+    return classFunc();
+  }
+  return nil;
+}
+
+#endif // RN_DISABLE_OSS_PLUGIN_HEADER
diff --git a/Libraries/Settings/React-RCTSettings.podspec b/Libraries/Settings/React-RCTSettings.podspec
index fe3ae075b13..e7f06c859c6 100644
--- a/Libraries/Settings/React-RCTSettings.podspec
+++ b/Libraries/Settings/React-RCTSettings.podspec
@@ -17,19 +17,30 @@ else
   source[:tag] = "v#{version}"
 end
 
+folly_compiler_flags = '-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -Wno-comma -Wno-shorten-64-to-32'
+folly_version = '2018.10.22.00'
+
 Pod::Spec.new do |s|
   s.name                   = "React-RCTSettings"
   s.version                = version
-  s.summary                = "A wrapper for NSUserDefaults, a persistent key-value store available only on iOS." 
+  s.summary                = "A wrapper for NSUserDefaults, a persistent key-value store available only on iOS."
   s.homepage               = "http://facebook.github.io/react-native/"
   s.documentation_url      = "https://facebook.github.io/react-native/docs/settings"
   s.license                = package["license"]
   s.author                 = "Facebook, Inc. and its affiliates"
   s.platforms              = { :ios => "9.0", :tvos => "9.2" }
+  s.compiler_flags         = folly_compiler_flags + ' -Wno-nullability-completeness'
   s.source                 = source
-  s.source_files           = "*.{m}"
+  s.source_files           = "*.{m,mm}"
   s.preserve_paths         = "package.json", "LICENSE", "LICENSE-docs"
   s.header_dir             = "RCTSettings"
+  s.pod_target_xcconfig    = {
+                               "USE_HEADERMAP" => "YES",
+                               "CLANG_CXX_LANGUAGE_STANDARD" => "c++14",
+                               "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/Folly\""
+                             }
 
+  s.dependency "Folly", folly_version
+  s.dependency "FBReactNativeSpec", version
   s.dependency "React-Core/RCTSettingsHeaders", version
 end
diff --git a/RNTester/Podfile.lock b/RNTester/Podfile.lock
index ffbdd2c9df3..67d299bede1 100644
--- a/RNTester/Podfile.lock
+++ b/RNTester/Podfile.lock
@@ -219,6 +219,8 @@ PODS:
   - React-RCTPushNotification (1000.0.0):
     - React-Core/RCTPushNotificationHeaders (= 1000.0.0)
   - React-RCTSettings (1000.0.0):
+    - FBReactNativeSpec (= 1000.0.0)
+    - Folly (= 2018.10.22.00)
     - React-Core/RCTSettingsHeaders (= 1000.0.0)
   - React-RCTTest (1000.0.0):
     - React-Core (= 1000.0.0)
@@ -372,7 +374,7 @@ SPEC CHECKSUMS:
   React-RCTLinking: d7d7f792e63a8d57380cecbb9b7a3b31f92d1bb6
   React-RCTNetwork: c8f9d40297f35ea3792ea81866f33e8b45c25935
   React-RCTPushNotification: acffa8af6a20e6d41b041a8c4cb4bea0de9df0dd
-  React-RCTSettings: dd4009546ce88c3647c32f0b5922459ab313fdca
+  React-RCTSettings: 86311240a0ebe1da843564c2c22498f7cb366181
   React-RCTTest: 73df09ec226fcad6e7e058a313e5dd16cccf86a8
   React-RCTText: 9078167d3bc011162326f2d8ef4dd580ec1eca17
   React-RCTVibration: bf05159719598f876ba763e5a58ccbad21e2e82f