TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

Your phone may have come with a separate app for scanning QR codes. Go to your full list of all apps (from the home screen, swipe up) and look for a QR Code or Code Scanner app.

QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why ...

Getting started with Spotify codes To scan a Spotify code, your phone must have the most updated version of the Spotify app.

Snapchat – Snapchat lets users scan Snapcodes, a type of QR code unique to the platform, to add friends quickly. Twitter – Twitter's QR codes make it easy to search, and then follow other users.

Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.