Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...

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 ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

In iOS 11, the native camera app includes functionality that allows you to scan QR codes and access QR code content like URLs without having to download a third-party app. Open the Camera app on the ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.