The iPhone 6 Plus, with its 5.5-inch display is big. Really big. Like, markedly bigger than a Pop Tart big. So big, in fact, that people have joked about making custom cargo shorts to contain it:
But, size be damned, people are buying these phablets (ugh) and forcefully jamming them down their skinny jeans. After that, it's business as usual: walking, sitting, driving, you name it. The iPhone 6 Plus doesn't like that one bit, according to various user reports on the Macrumors forums.
Now, you should probably never sit on your phone for any extended period of time, but you should be especially wary when it's enormous and only 0.28 inches thick.
Because this happens:
According to Macrumors, "the 6 Plus was about 18 hours in my pocket while sitting mostly," which caused the phone to do this: