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

Scanning QR codes is easy when they're located on ads or the TV, but you may have wondered how to do so when the code is ...
来自MSN

How to Effortlessly Scan QR Codes on Any Samsung Phone

Scanning QR codes has gotten easier, and now you have multiple options Reviewed by Ryan Perian Scanning a QR code with your Samsung phone is as simple as pointing your camera at the code. Once the ...