Just under two months ago, YouTuber JerryRigEverything released a video for the Galaxy Note7 regarding the durability of its glass. If you recall, the Gorilla Glass 5 scratched starting with the level 3 pick of Mohs hardness scale. This even provoked Corning to reassure that Gorilla Glass 5 is the same, if not more scratch resistant than Gorilla Glass 4 as per the company's own laboratory testing. The assumption was that by making Gorilla Glass 5 more resilient to drops, the glass formula was altered with and the glass made softer, therefore causing it to scratch more...
Source: http://www.gsmarena.com/remember_when_the_note7_miserably_failed_the_scratch_test_turns_out_it_was_inconclusive-news-20994.php
