Ionic v4 - HTML 5 Video Configs fail in IOS

Ionic Framework Ionic Angular
1

I have on page with only a

This is my html :

<ion-content>
    <video width="100%" height="100%" autoplay style="background-color:white; object-fit: cover;" poster="assets/imgs/white_background.png" (ended)="end()" (click)="end()">
        <source src="assets/video/chone_splash.mp4" type="video/mp4">
      </video>

</ion-content>

and my end() method in .ts file :

end(){
    this.navCtrl.navigateForward('/newpage')
  }

Am I doing something wrong ?

Thank you