You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

If you find it inconvenient to share your Android phone’s hotspot details manually, you can create a QR code that others can scan from their devices to connect to your hotspot. It's easier than you ...

QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible? QR codes are akin to the ...