https://www.theguardian.com/technology/2018/mar/08/samsung-galaxy-s9-review-big-screen-phone-camera-top-end-smartphone-battery-life >Gorgeous screen and excellent camera are highlights of this top-end smartphone, but battery life could be improved >Having ushered in a new super-slim bezel design at the beginning of 2017 with the S8, has Samsung’s new dual-aperture, dual camera enough to entice people to upgrade?