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 ...

There are secret dialer codes in the dynamic world of Android smartphones. These number combinations open up a world of functions, diagnostics, and settings that go far beyond the familiar interface ...

Some codes are specific to certain models, but other, more generic codes can be accessed on nearly any Android device. SOPA Images/LightRocket via Gett You might not know this, but your Android device ...