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Dial these secret short codes on your phone to unlock hidden settings, secret menus, and powerful features most users never discover.

With Android Secret Codes, you can peek under the hood of your device, diagnose issues, and even fix some of them yourself.

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 ...

Think of Android Engineering Mode as your backstage pass to your device’s inner workings — where developers and technicians ...