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 ...

You used to need a third party app to scan QR codes, but now the feature is built right into iOS.

QR codes probably aren’t something you use on a daily basis, but they are incredibly useful when you need them. If you’re a big WhatsApp fan, you can now use QR codes to import contacts into ...

Can you scan a QR code from a screenshot or photo? Yep, you can.

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.