The Samsung Galaxy Fold took years to develop, it's a pretty complicated device. And thanks to its unusual form factor, reading the specs off a table isn't the best way to describe the phone. For example, there are two separate "front" cameras. The infographic below does a solid job of describing the features of the device in both folded and unfolded form. When folded, it measures 17mm at the hinge and 15.5mm at the other end. However, the magic happens when you open up the Galaxy Fold, which gives you a 7.3" Dynamic AMOLED with HDR10+ support and a document-friendly 4.2:3 aspect ratio....
Source: https://www.gsmarena.com/samsung_galaxy_fold_infographic_describes_the_phones_front_back_and_inside-news-36578.php
