It's just the light on the back of your iPhone, yet that flashlight is remarkably flexible — and there are so many ways to turn it on or off quickly. Apple first added an LED light to the back of its ...

A flashlight is a basic tool that's good to have as part of any emergency kit. They come in various sizes and different brightness levels. It's also an item that most of us carry around in our pockets ...

The LED bulb at the back of your phone has a lot of uses. It is commonly used as a flash for the camera, which you can turn on and off within the camera app itself. It can also be used as a ...