How to scan a QR code?

Learn how to scan QR codes and barcodes with your smartphone.

Whether you have an Android or an iPhone, you can scan QR codes, a kind of 2-dimensional barcode and traditional barcodes.

In this mini-tutorial, we try to identify a pair of headphones with the two most popular scan applications: QR Code Reader and Barcode Scanner.

Scan a QR code

  • Download QR Code Reader from the  Google Play Store or the Apple Store.
  • Launch the application.
  • Authorize the different accesses.
  • Aim the QR code with the camera of your smartphone.
  • The application scans and displays the code corresponding to the product.

You are then automatically directed to Google search results where the same code appears.

Scan a barcode

  • Download Barcode Scanner from the  Google Play Store or the Apple Store.
  • Launch the application.
  • Position the camera on your smartphone and drag the horizontal reading line from the top to the bottom.
  • Finally, select Product search (product search) or web search (internet research), at the bottom of your screen.