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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Use these codes to forward calls, pay your bill, check balances, etc. Some of the codes work only on certain carriers or devices. One of the codes also might erase your data, so use with caution. I've ...

Think you’ve explored every inch of your Android phone? Think again. Beneath the familiar icons and settings lies a world of hidden functions—and all it takes to unlock them is a few secret codes ...