Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. QR codes provide a ...

There are tons of ways to transfer data from the real world to your phone, and QR codes are one of them. This nearly 30-year-old technology comes in clutch today, and it’s pretty simple to use.

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.