ngOnInit() {
  const factory = this.fr.resolveComponentFactory(HelloComponent);
  const ref = this.vcr.createComponent(factory);
  ref.instance.name = 'World';

   setTimeout(() => {
     ref.instance.name = 'Netanel';
     ref.injector.get(ChangeDetectorRef).markForCheck(); // or detectChanges()
   }, 3000);
}