iOS 9 tips: Manually enable Low Power Mode to maximize your iPhone's battery life

Apple InsideriOS 9 tips: Manually enable Low Power Mode to maximize your iPhone's battery lifeApple InsiderWith iOS 9, Apple promises up to one hour of extra battery life using a combination of power saving tactics and new technologies. For example, iOS 9 will use ambient light and proximity sensors to check when an iPhone is facedown on a table, preventing ...How Much Longer Does My iPhone Last in Low-Power Mode?WIREDall 6 news articles »