I changed these 11 iPhone settings and improved its battery life dramatically
Kerry Wan/ZDNET With the way we use our iPhones these days, it can be hard to make it through a single day on a full charge. A few FaceTime calls, some text messaging, and opening Maps a few times, and you could already be 25% down. If you've experienced this problem, you're not alone. These phones can be very power-hungry -- even the more affordable iPhone SE 4 has battery issues. The problem is made worse by all the different apps, features, and settings vying for battery life. And the kicke