A brilliant screen is often the jewel of a flagship smartphone, but there are different interpretations of what is "best". We can't even agree on something as simple as whether the screen should be curved or not. There are good reasons to keep screens flat. For one, it is your only good option if you want to apply a screen protector, which many still do despite the ever-increasing Gorilla Glass version numbers. The LG G6 is a recent example. Competitor Samsung sees things differently, the Galaxy S8 (and S8+) don't even have a "flat" option. The curved sides of the screen certainly help...
Source: http://www.gsmarena.com/weekly_poll_flat_screens_or_curved_screens_which_is_best-news-26334.php
