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 ...

If you have an Apple iPhone, please hop on over to our article for how to scan a QR code on iPhone. The easiest way to scan a QR code can vary depending on which brand of Android phone you have.

Handle paper documents like a pro with this simple guide to Android printing and scanning.