On iPhone, open the saved QR code in Photos and tap and hold it. On Android, open it in Google Photos and tap Search to scan ...

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You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

Quick Share on Android will now let you send and receive files by scanning a QR code. The feature will eliminate the need to add others as contacts, verify devices, or change your sharing settings.