JerryRigEverything has come up with somewhat a standardized durability test for smartphones and he does it quite often. He first tests the scratch endurance of the shell, then the flame resistance of the screen, and finally - the bend test. Xiaomi Mi 5 uses two Gorilla Glass 4 pieces on its front and rear side and their scratch resistance is on par with the rest if the flagship crop. Its camera is protected by a sapphire piece, which is resistant to scratches, too. The aluminum is rather easy to scratch - that's for sure. But as it turns out the Mi 5 lacks a secondary metal chassis to...
Source: http://www.gsmarena.com/watch_xiaomi_mi_5_crack_and_pop_under_pressure-news-17882.php
