This year's iPhones, the iPhone 6s and iPhone 6s Plus, are heavier than last year's iPhone 6 and iPhone 6 Plus models and it's not just due to their stronger Series 7000 aluminum body.
An article posted Monday by The Verge digs a little deeper into the iPhone 6s weight gain and you'll be surprised to learn which new feature is making Apple's new phones heavier than their predecessors.