Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.

QR codes are links that can be scanned using various smartphone apps. You'll find our favorite apps for scanning QR codes for both Android and iPhone.

QR codes are a great way to relay a lot of information in a small space and your Android phone has multiple ways to read them. Here's how to do it.

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.