Here's how to do it with your phone, tablet, or computer. How to scan a QR code with an iPhone or iPad Both iPhones and iPads have a QR scanner built into the camera. 1. With a QR code nearby ...

Due to this universal utility, it's essential to understand how to scan them on smartphones, especially on Android devices.

A new policy that asks students to scan a QR code in order to leave a classroom ... to get to the bathroom,” she said. There is an online petition that has amassed more than 540 signatures ...