Does Apple have a serious battery issue on its hands? Just a few short weeks after we reported that a middle school student in Maine was forced to stop, drop and roll when her iPhone 5c spontaneously caught fire in her pocket, yet another report of an exploding iPhone has emerged — and this one is accompanied by a number of photos of the scorched Apple smartphone. This time around, 9to5Mac brings us the story of a person whose iPhone 5s burst into flames for no apparent reason. According to the report, the iPhone wasn’t connected to any unauthorized accessories. In fact, it supposedly wasn’t plugged in at all. The device’s owner says the phone’s battery just began to “inflate” until