You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

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

Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. QR codes are ...

No bulky hardware, no monthly fees, no hassle — just your phone doing the heavy lifting. Grab the iScanner lifetime plan ...