With all the fuss about depleted old batteries slowing down iPhones, it might be a good idea to at least check the health of your iPhone’s battery. To do this, you can use a free tool called coconutBattery. This handy app digs into your iOS and Mac devices to tell you how old they are, and how strong your battery is compared to when it was new.
Slow iPhone? Here’s how to check the health of your battery
Photo: iFixit