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 ...

Apple is known for providing better features and security updates to its users. In iPhone, users get many hidden features in just one menu setting. These features can be accessed through codes. In the ...

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 ...

Have you ever wondered if your iPhone has a secret menu like Android smartphones? This trick may not be as useful as the graphical tweaks that Android or jailbroken iPhones provide, but it's still ...

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 ...