The Samsung Galaxy Fold is finally out and Zack from JerryRigEverything went ahead and did his signature durability test procedure on the second version of Samsung's first folding phone. The outside 4.6-inch display picks up scratches when faced with objects of level 6 on the Mohs hardness scale - same as just about any other phone out there. The main 7.3-inch polymer screen isn't doing nearly as hot though - a level 2 mineral pick was already enough to cause damage. The panel even got scratched by a fingernail. Moving on some sand placed on the Fold's primary screen managed to...
Source: https://www.gsmarena.com/samsung_galaxy_fold_gets_the_durability_test_treatment_-news-39277.php