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Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...

Receiving a QR code as an image creates an awkward problem: How do you scan it with the same phone? Both iPhone and Android have straightforward workarounds.

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.