Lately my iPhone has been shutting off on me as the battery gets low. Not low as incompletely empty but low at like 15% for example. Reminds me of an aging battery after having a phone for a couple of years. Problem is, I haven't had this phone for a couple of years. It's an iPhone 6s that I received on launch day so it's only been about 4 months. So I plugged it into my Mac and opened up CoconutBattery and I was able to see that my battery capacity is already down to 93% with 147 cycles. For the last few years, when I sell my iPhones upon receiving the new one I've been checking the capacity of the battery too see how much it lost after a year of use. For the last few iPhones the lowest I've seen after a year is 96% so the fact that this iPhone is showing me 93% after only 4 months has me a little concerned. Has anyone else experienced a similar issue and do you think it's worth taking to the Apple Store for a Genius appointment?