TECH How to scan a QR code with your iPhone or Android phone (no apps needed) QR codes are those pixelated squares you see in restaurants, advertisements, stores, food packaging, business cards ...

Spotify introduced Codes as a way to get users sharing music with friends and family way back in 2017. Here's how to use them.

Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.

Setting a lock code on an app-by-app basis is a great way to add another level of security to your device. With App Lock, it's as easy as setting a PIN.

Once you've followed the above steps, the Passwords app is ready to generate verification codes on the fly that are valid for 30 seconds.