How to read QR codes with a smartphone

Ever wonder what those weird black-and-white square codes are? Here's how to read them with an iPhone, a BlackBerry, or an Android smartphone.

Inbuilt QR Code Reader: List of smartphones and apps

QR code scanner, reader app for smartphone. Identification tracking code. Serial number, product ID with digital information. Store, supermarket scan Stock Vector Image & Art - Alamy

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How to scan a QR code on Android and iPhone

How To Scan QR Codes on Android Phones

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How to read QR Code content from your Mobile or Web App

How to Scan a QR Code: iPhone, Android, Windows, Mac