TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

QR codes aren't going away anytime soon. Here's how to make your own.

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 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.