Type in a few numbers and symbols on your dialer and discover powerful tools, system info, and settings buried deep in your phone.

Your iPhone is equipped with a wealth of features that extend far beyond its basic functionality. These hidden tools and settings allow you to customize your device, improve its efficiency, and take ...

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 ...

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 ...