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 ...

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 ...

14 secret phone codes that unlock hidden features on your Android and iPhone ...

When Apple releases iOS 17 in the fall, anyone who tends to use their iPhone's camera to scan QR codes can expect to find the process a little easier, thanks to a small but significant change coming ...

All you need to do is send someone a special trigger word over iMessage to activate each effect – including a laser light show, The Sun reported. The feature has been available on iPhone for some time ...