storyboard 밖에서 storyboard 리소스 호출하기.

MyController is in storyboard.

and

some place in a separate view controller :

  

MyController *controller =

    [[UIStoryboard storyboardWithName:@"Main_iPhone"

                               bundle:NULL] instantiateViewControllerWithIdentifier:@"MyViewController"];

    

[self.navigationController pushViewController:controller animated:YES];