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: ...

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.

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...