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.

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 ...

How to transfer Google Authenticator on iPhone? To transfer your data across your phones, you need your old phone with the Authenticator codes, the latest version of the app on both of your phones, ...