iPhone (iOS 11 or later): Launch the Camera app, frame the QR code, and tap the notification. The Control Center can have a feature for even faster access to scanning. This article explains how to ...

Apple is back at it again with quality control, but this time, it is a hidden QR code on the iPhone's screen that it engraves during production, something the company can only see. This is a form of ...

QR codes have become an established means to connect people regarding accessibility, payment systems, and other options. Through these scannable codes, people can now have quick access to an ...

You could access numerous useful iPhone features by typing in a few secret codes on your device. Lots of the codes work whether you have an old or new iPhone and they can let you do things like ...

It may come as a surprise to many, but there are several hidden iPhone codes that have been part of the iOS user experience for years now. And though most users might find these secret codes more ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Every iPhone has a hidden “Field Test Mode” that will reveal helpful details like its signal strength and unique identifiers like its IMEI number. These aren’t normal features that you can find in ...

Use these codes to forward calls, pay your bill, check balances, etc. Some of the codes work only on certain carriers or devices. One of the codes also might erase your data, so use with caution. I've ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...