Written by Ron Lyons, Jr. If you're vigilant, you can find QR codes everywhere. These black-and-white squares tie the real world to the internet, and scanning them gives you quick access to ID cards, ...
How to scan QR codes On iPhone If you’re running iOS 11 or later, the camera automatically supports WiFi QR scanning, all you need to do is open the camera app and place it in front of the QR code.
Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.