EVERY iPhone and Android has a secret code attached to it that you can use to hunt it down if it's been lost or stolen. It's called an International Mobile Equipment Identity (IMEI) - and every ...

To check if your Android phone is unlocked, try swapping in another SIM card or test your network settings. If calls work, ...

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 ...