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How do you scan a QR code that's already on your phone's screen? It's surprisingly easy

QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded information, often to share details or direct you to a website. The ...
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Your phone has a hidden barcode scanner, use it in seconds

How iPhone turns the Camera app into a code reader On iPhone, the built in Camera app is the primary gateway to this hidden scanner. When you open Camera on your iPhone and point it at a QR code, the ...