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 ...

Did you know your iPhone keypad can do much more than just typing phone numbers and making phone calls? You can use it to enter iPhone secret codes to do all kinds of things, such as troubleshooting, ...

Hang up and use a secret code to combat AI smartphone attacks, FBI says. Update, March 22, 2025: This story, originally published March 20, has been updated with details of a new law enforcement from ...