Tech pro ThioJoe walks through essential Android dialer codes that unlock hidden device menus and diagnostics features.

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 ...

Is your Android phone more powerful than you think? You're right! Secret features lie hidden beneath the surface, waiting to be discovered. These features can help you understand your phone better, ...