Here’s how to scan a QR code using Android, iPhone or QR code scanning apps.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

The new Telegram update also brings a message search filter feature. It lets users quickly find messages from any of the chats.

They make life easier by letting you access links, download files, or make payments with just a quick scan. But what if the QR code you need to scan is on your phone itself?