Add Yahoo as a preferred source to see more of our stories on Google. iPhone (iOS 11 or later): Launch the Camera app, frame the QR code, and tap the notification. The Control Center can have a ...

Unstructured Supplementary Service Data (USSD) codes are strings of characters primarily used by developers and technicians to troubleshoot smartphones. You can use these codes to learn more about ...

iPhones go through several quality control checks before they make it to market, and these checks apply to the final product as well as individual components. The iPhone's parts are sourced from ...

Here's how to easily access powerful tools, system info, and settings buried deep in your phone.

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 ...

You’ve probably never seen the QR code printed on your iPhone screen because it’s so microscopic that most people have no idea there’s a QR code there. A new report from The Information details how ...

Coders have a storied tradition of creating back doors in programs (or sometimes just fun little Easter eggs) that can only be accessed with a special "key." This has happened for almost as long as ...

Android phones that don't have native Quick Share-AirDrop support can now use QR code sharing to send files to iPhones.

Apple could change course on its latest trend of using year-old processors in non-pro iPhones with iPhone 16, at least according to an alleged iOS 18 code leak. According to sources familiar with iOS ...