So, how large will the Samsung Galaxy S10+ be? This video (posted by @IceUniverse) should help give you a good idea of the dimensions. In short, it's the same size as the Galaxy S9+. You can tell that it is because the case for the upcoming flagship fits snugly on an S9+ (and the Note9 is clearly too big). The S9+ has a 6.2" 18.5:9 display and measures 158.1 x 73.8 x 8.5mm. The Galaxy S10+ is expected to have a 6.4" display with a taller aspect ratio and a dual selfie cam inside a couple of punch holes. You can see CAD-based renders of the phone here - they give its dimensions as 157.5...
Source: https://www.gsmarena.com/samsung_galaxy_s10_case_fits_snugly_on_an_s9_as_seen_in_this_video-news-34887.php
