The Samsung Galaxy S21 is expected to debut in February 2021 and new leaks have now thrown some light on the design and measurements of the next-gen Samsung flagship phone. For one, the S21 will apparently be a tad wider than its predecessor, the Galaxy S20.
https://www.notebookcheck.net/New-leaks-reveal-the-design-and-measurements-of-the-Samsung-Galaxy-S21.498396.0.html
vol. button hard to manipulate with your left hand index finger...; prefer to use heart finger as pixel...; maybe a rotating wheel instead...