Zero, so be sure to cash in your rewards. Tennis Zero codes are a great way to unlock free spins and get yourself some extra ...

Getting started with Spotify codes To scan a Spotify code, your phone must have the most updated version of the Spotify app.

DTI codes usually roll out as part of updates or seasonal events, but they won't always be available to redeem. So it's best ...

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 ...

Got a new PlayStation 4 and have a bunch of codes for games and free trials? Here's how to redeem a code on your PS4 via the system, web, or PlayStation app.

A credit card security code provides protection against fraud in online and over-the-phone transactions.

Rather than have a guest select your Wi-Fi network and then enter a fiddly password, just make them a QR code their iPhone can read. Here's how to do it.

The App Referer app generates QR codes for every one of your applications. So if you want to "give" that app to a friend, you call up the QR code, and your pal can scan your phone's screen.

Redeeming a code on your Xbox One is easy thanks to an array of different options for doing so. Here's how, whether you want to use an app or your browser.