Your Android device holds a large amount of information about its hardware and system that an average user might find difficult to access. But if you know Android’s secret codes, you can factory reset your device, find out its hidden camera information, instantly back up your precious data, and much more.
List of secret codes for Android
These codes are mostly universal, and should work on Android devices, no matter the manufacturer. There might still be carrier restrictions on certain codes though, so they’re not all guaranteed to work.