Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be.

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 ...

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be.

QR codes are so popular that nearly every device with a camera lets you scan them. Here's how to do it with your phone, tablet, or computer.

QR codes are used for everything from opening a restaurant menu to making payments: just point your camera at the QR code, and your phone will automatically open the relevant page. But what ...