What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

QR codes have become an indispensable tool for quickly accessing online content. As a Samsung Galaxy smartphone user, you have the power to harness this technology with ease, thanks to your device’s ...

How iPhone turns the Camera app into a code reader On iPhone, the built in Camera app is the primary gateway to this hidden scanner. When you open Camera on your iPhone and point it at a QR code, the ...