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

Quick Response codes or QR codes are a type of barcodes that comprise a matrix of dots. To read these unique codes, a QR code scanner is needed. QR scanners are typically embedded in modern ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.