diff --git a/packages/react-native/React/CxxBridge/RCTMessageThread.mm b/packages/react-native/React/CxxBridge/RCTMessageThread.mm
index d234aaaa8cf..d337150289a 100644
--- a/packages/react-native/React/CxxBridge/RCTMessageThread.mm
+++ b/packages/react-native/React/CxxBridge/RCTMessageThread.mm
@@ -66,7 +66,7 @@ void RCTMessageThread::runSync(std::function<void()> func)
 void RCTMessageThread::tryFunc(const std::function<void()> &func)
 {
   NSError *error = tryAndReturnError(func);
-  if (error) {
+  if (error != nullptr) {
     m_errorBlock(error);
   }
 }
diff --git a/packages/react-native/React/CxxBridge/RCTObjcExecutor.mm b/packages/react-native/React/CxxBridge/RCTObjcExecutor.mm
index 94976166fa9..15afcb68a0a 100644
--- a/packages/react-native/React/CxxBridge/RCTObjcExecutor.mm
+++ b/packages/react-native/React/CxxBridge/RCTObjcExecutor.mm
@@ -41,7 +41,7 @@ class RCTObjcExecutor : public JSExecutor {
       : m_jse(jse), m_errorBlock(errorBlock), m_delegate(std::move(delegate)), m_jsThread(std::move(jsThread))
   {
     m_jsCallback = ^(id json, NSError *error) {
-      if (error) {
+      if (error != nullptr) {
         // Do not use "m_errorBlock" here as the bridge might be in the middle
         // of invalidation as a result of error handling and "this" can be
         // already deallocated.
@@ -81,7 +81,7 @@ class RCTObjcExecutor : public JSExecutor {
                          onComplete:^(NSError *error) {
                            RCTProfileEndFlowEvent();
 
-                           if (error) {
+                           if (error != nullptr) {
                              m_errorBlock(error);
                              return;
                            }
diff --git a/packages/react-native/React/CxxModule/RCTCxxMethod.mm b/packages/react-native/React/CxxModule/RCTCxxMethod.mm
index c87f79dffb9..f823e7d7880 100644
--- a/packages/react-native/React/CxxModule/RCTCxxMethod.mm
+++ b/packages/react-native/React/CxxModule/RCTCxxMethod.mm
@@ -26,7 +26,7 @@ using namespace facebook::react;
 
 - (instancetype)initWithCxxMethod:(const CxxModule::Method &)method
 {
-  if ((self = [super init])) {
+  if ((self = [super init]) != nullptr) {
     _method = std::make_unique<CxxModule::Method>(method);
   }
   return self;
diff --git a/packages/react-native/React/CxxModule/RCTNativeModule.mm b/packages/react-native/React/CxxModule/RCTNativeModule.mm
index 6150f31bf0c..b0f45eb1588 100644
--- a/packages/react-native/React/CxxModule/RCTNativeModule.mm
+++ b/packages/react-native/React/CxxModule/RCTNativeModule.mm
@@ -76,7 +76,7 @@ folly::dynamic RCTNativeModule::getConstants()
 void RCTNativeModule::invoke(unsigned int methodId, folly::dynamic &&params, int callId)
 {
   id<RCTBridgeMethod> method = m_moduleData.methods[methodId];
-  if (method) {
+  if (method != nullptr) {
     RCT_PROFILE_BEGIN_EVENT(
         RCTProfileTagAlways,
         @"[RCTNativeModule invoke]",
@@ -119,13 +119,13 @@ void RCTNativeModule::invoke(unsigned int methodId, folly::dynamic &&params, int
   if (isSyncModule) {
     block();
     BridgeNativeModulePerfLogger::syncMethodCallReturnConversionEnd(moduleName, methodName);
-  } else if (queue) {
+  } else if (queue != nullptr) {
     BridgeNativeModulePerfLogger::asyncMethodCallDispatch(moduleName, methodName);
     dispatch_async(queue, block);
   }
 
 #ifdef RCT_DEV
-  if (!queue) {
+  if (queue == nullptr) {
     RCTLog(
         @"Attempted to invoke `%u` (method ID) on `%@` (NativeModule name) without a method queue.",
         methodId,
@@ -153,7 +153,7 @@ static MethodCallResult invokeInner(
     int callId,
     SchedulingContext context)
 {
-  if (!bridge || !bridge.valid || !moduleData) {
+  if ((bridge == nullptr) || !bridge.valid || (moduleData == nullptr)) {
     if (context == Sync) {
       /**
        * NOTE: moduleName and methodName are "". This shouldn't be an issue because there can only be one ongoing sync
@@ -166,7 +166,7 @@ static MethodCallResult invokeInner(
   }
 
   id<RCTBridgeMethod> method = moduleData.methods[methodId];
-  if (RCT_DEBUG && !method) {
+  if (RCT_DEBUG && (method == nullptr)) {
     RCTLogError(@"Unknown methodID: %ud for module: %@", methodId, moduleData.name);
   }
 
diff --git a/packages/react-native/React/DevSupport/RCTInspectorDevServerHelper.mm b/packages/react-native/React/DevSupport/RCTInspectorDevServerHelper.mm
index a9aedcaddf8..9230dd3b332 100644
--- a/packages/react-native/React/DevSupport/RCTInspectorDevServerHelper.mm
+++ b/packages/react-native/React/DevSupport/RCTInspectorDevServerHelper.mm
@@ -24,14 +24,14 @@ static NSString *getServerHost(NSURL *bundleURL)
 {
   NSNumber *port = @8081;
   NSString *portStr = [[[NSProcessInfo processInfo] environment] objectForKey:@"RCT_METRO_PORT"];
-  if (portStr && [portStr length] > 0) {
+  if ((portStr != nullptr) && [portStr length] > 0) {
     port = [NSNumber numberWithInt:[portStr intValue]];
   }
-  if ([bundleURL port]) {
+  if ([bundleURL port] != nullptr) {
     port = [bundleURL port];
   }
   NSString *host = [bundleURL host];
-  if (!host) {
+  if (host == nullptr) {
     host = @"localhost";
   }
 
@@ -186,7 +186,7 @@ static void sendEventToAllConnections(NSString *event)
 
   NSString *key = [inspectorURL absoluteString];
   id<RCTInspectorPackagerConnectionProtocol> connection = socketConnections[key];
-  if (!connection || !connection.isConnected) {
+  if ((connection == nullptr) || !connection.isConnected) {
     connection = [[RCTCxxInspectorPackagerConnection alloc] initWithURL:inspectorURL];
 
     socketConnections[key] = connection;
diff --git a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
index 53e8fde774e..8e775d3185d 100644
--- a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
+++ b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
@@ -21,7 +21,7 @@ using ListenerBlock = void (^)(RCTInspectorNetworkListener *);
 - (instancetype)init
 {
   self = [super init];
-  if (self) {
+  if (self != nullptr) {
     NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
     self.session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];
     self.executorsByTaskId = [NSMutableDictionary new];
@@ -63,7 +63,7 @@ using ListenerBlock = void (^)(RCTInspectorNetworkListener *);
 - (void)withListenerForTask:(NSURLSessionTask *)task execute:(ListenerBlock)block
 {
   void (^executor)(ListenerBlock) = self.executorsByTaskId[@(task.taskIdentifier)];
-  if (executor) {
+  if (executor != nullptr) {
     executor(block);
   }
 }
diff --git a/packages/react-native/React/DevSupport/RCTPausedInDebuggerOverlayController.mm b/packages/react-native/React/DevSupport/RCTPausedInDebuggerOverlayController.mm
index 32697c942ee..9237213bcf3 100644
--- a/packages/react-native/React/DevSupport/RCTPausedInDebuggerOverlayController.mm
+++ b/packages/react-native/React/DevSupport/RCTPausedInDebuggerOverlayController.mm
@@ -103,7 +103,7 @@
   if (_alertWindow == nil) {
     _alertWindow = [[UIWindow alloc] initWithWindowScene:RCTKeyWindow().windowScene];
 
-    if (_alertWindow) {
+    if (_alertWindow != nullptr) {
       _alertWindow.rootViewController = [UIViewController new];
       _alertWindow.windowLevel = UIWindowLevelAlert + 1;
     }
diff --git a/packages/react-native/React/Fabric/Mounting/ComponentViews/Modal/RCTFabricModalHostViewController.mm b/packages/react-native/React/Fabric/Mounting/ComponentViews/Modal/RCTFabricModalHostViewController.mm
index eb100a437d5..16b71e4d64e 100644
--- a/packages/react-native/React/Fabric/Mounting/ComponentViews/Modal/RCTFabricModalHostViewController.mm
+++ b/packages/react-native/React/Fabric/Mounting/ComponentViews/Modal/RCTFabricModalHostViewController.mm
@@ -17,7 +17,7 @@
 
 - (instancetype)init
 {
-  if (!(self = [super init])) {
+  if ((self = [super init]) == nullptr) {
     return nil;
   }
   _touchHandler = [RCTSurfaceTouchHandler new];
@@ -61,7 +61,7 @@
 {
   UIInterfaceOrientationMask appSupportedOrientationsMask =
       [RCTSharedApplication() supportedInterfaceOrientationsForWindow:RCTKeyWindow()];
-  if (!(_supportedInterfaceOrientations & appSupportedOrientationsMask)) {
+  if ((_supportedInterfaceOrientations & appSupportedOrientationsMask) == 0u) {
     RCTLogError(
         @"Modal was presented with 0x%x orientations mask but the application only supports 0x%x."
         @"Add more interface orientations to your app's Info.plist to fix this."