It doesn't need to melt though. The structural strength just has to be affected by temperature. It doesn't look like Aluminium is affected much around 100 degrees Fahrenheit:There's adjustments for fatigue. If the phone is bent one way and another during the course of a day, that might weaken it. It's unusual for it to happen so soon after purchase though so it probably is just down to people wearing too tight clothing and sitting with it in their pockets.
9/23/14 at 5:39pm