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 Code No Ads, as the name implies, is ad free. QR Droid is a QR code scanner app specific to Android devices, while QR Reader for iPhone is for iPhone users.

Instagram – Instagram users can scan Nametags, a form of QR code, to quickly follow someone. Facebook – The Facebook app uses QR codes for friend requests and event check-ins.

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 your Android device is not scanning a QR code, there could be a number of potential issues at play.

It's no secret that scanning a QR code can be pretty annoying on mobile devices. Android tries to make the feature accessible with Quick Settings shortcuts and scanning built into the camera, but ...