I hope this can help future me. In Xcode 13.1, add the following code in SceneDelegate.m. // Refer: https://blog.csdn.net/Alingjiu/article/details/79828365 // SceneDelegate.m #import "ViewController.h" //add this header //... - (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions { ViewController *viewController = [[ViewController alloc] init]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:viewController]; self.window.rootViewController = navigationController; }