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

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Discover hidden features to optimize performance, troubleshoot issues, and enhance your Android experience You can use secret codes on Android phones to quickly find hidden features and information.

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 ...

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Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...