The iPhone flashlight is great for when you need some quick light in a dark room, but here's how to make the iPhone's flashlight even brighter.

Can't figure out how to turn on the flashlight in Android? Here are the most popular ways to get a little light.

The dead shall shine againFour billion alkaline batteries were shipped in the United States in 2010. Reduce that number—reuse your dead batteries in a joule thief flashlight Photograph by ...

Apple's iOS 18 update provides more control over how the flashlight functions on an iPhone, Here's how to adjust how it produces and focuses light.

A flashlight that won't blind you at night is essential for looking at this weekend's eclipse.