While we're still far from getting 4K displays on smartphones, but the latest news from Asia indicates that Chinese manufacturer Vivo is in production of a display set to feature 2560 x 1440 pixel resolution. Vivo teased its upcoming product today, hailing it as the first 2K smartphone, but wasn't courteous enough to reveal the exact diagonal of the display, or provide anything more than the...
Source: http://www.gsmarena.com/vivo_breaks_the_1080p_barrier_with_the_first_2k_hd_mobile_display-news-6991.php