[House Atreides]

“Maybe it wasn’t in the box, hmm?”
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If you had read the article, you’d have seen that it was like that when he first received and opened the box. This has been the one and only example of this happening that I’ve seen.

Extract from linked article:

“...Unlike Samsung’s somewhat widespread Galaxy Note 7 problem that was due to a battery defect, however, this iPhone exploded while in transit, according to the phone’s owner. When he received the iPhone he ordered and took it out of the box, this is what he found....”

[Swordmaker]

Here's photo to the external shipping packing box showing it received damage prior to any damage caused by anything the iPhone may have caused by overheating.

Source: Reddit

And here is matching damage on the iPhone's box, which looks as if something heavy hit it after penetrating the packing box.

Source: Reddit