Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...
Android and iOS both have built-in tools to easily open QR codes from screenshots.
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5 things to know before scanning QR code
QR codes have become a quick and convenient way to make payments, visit websites, download apps and access information. They are now commonly found in restaurants, shops, banks, posters and ...
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