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

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 ...

There's a hidden language that's part of the GSM standard that can unlock hidden features on your smartphone. You can dial codes to check your bill, data usage, forward calls, hide your caller ID, and ...

Ian Campbell is a reporter based in San Diego who writes features, interviews, guides and reviews for Pocket-lint. Before he spent his days covering great products for Pocket-lint readers, Ian was an ...