If you see someone pouring sand and grit over a brand new Samsung Galaxy Z Fold8, there is a better than 50% chance that their name is Zack. This is part of the standard durability test of the JerryRigEverything channel, as is the bend test.For the Z8 generation, Samsung introduced the Flex Titanium screen design, which combines an aluminum plate with a titanium alloy film to strengthen the folding OLED display inside the Galaxy Z Fold8 and the Z Fold8 Ultra (the Z Flip8 missed out on this upgrade). Does this make the display more durable?The Flex Titanium screen build of the Galaxy...