We’re all expecting Apple to offer a tougher iPhone 6s this fall after last year’s BendGate disaster. A recent video from Lew at Unbox Therapy featuring a leaked iPhone 6s shell seemed to confirm a more durable design, and now Lew is back with a more scientific look at just how strong Apple’s new smartphone really is.
The short answer is that this iPhone 6s shell is really tough. It stands up to about 80 pounds of pressure before bending at all. That’s more than double the iPhone 6, which folds under just 30 pounds of pressure. Remember this is just the back shell for both phones. The iPhone 6, when test last year, as a whole bent at just over 70 pounds of pressure. So clearly just the back shell of the new iPhone 6s is capable of taking more than the entire iPhone 6.
Before crushing the leaked iPhone 6s shell, Lew also sent it off for a chemical analysis. The results reveal a significant amount of zinc, which is found in 7000 series aluminum and adds extra toughness to the design. The iPhone 6 is made of a 6000 series aluminum alloy that is very common and has almost no zinc in it. The one issue with zinc is that it means a higher risk of corrosion, but Apple compensates by adding an extra thick layer of anodization.
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