A first look at the Samsung Galaxy S21 Ultra 5G Share The Samsung Galaxy S21 Ultra 5G has been touted as a “flagship device that pushes the boundaries of what a smartphone can do” and we like the sound of that. To move with the times, the new S21 Ultra becomes the turning point in the Galaxy S series’ journey of putting high-end smartphones and tabs on the market since 2009. With the Galaxy S21 Ultra, the mobile experience is elevated to a whole new level of clarity and creativity. Let’s get into the first impressions of the S21 Ultra in Phantom Black (which by the way is the most amazing black we’ve ever seen on a phone).