By entering certain strings of numbers and symbols into your phone's dialer, you can gain access to a world of hidden ...

Discover the best secret codes for Android to unlock hidden features and diagnose your smartphone. Find IMEI number, test GPS, perform factory reset.

There's a hidden language that's part of the GSM standard that can unlock hidden features on your smartphone. You can dial ...

Some codes are specific to certain models, but other, more generic codes can be accessed on nearly any Android device.

Check the battery health using Dial code All Android devices use dial codes. They are an integral part of the operating system and manufacturers use them to diagnose the smartphone.