Known as the "Testing" menu, this code opens a treasure trove of information.
If the code is valid, a new menu or a pop-up message will appear instantly. How to Use Secret Codes on MOTOROLA Moto G Stylus
This is the most powerful standard Android diagnostic code. It opens a menu titled “Testing” with four sections: Phone information (cellular bands, signal strength, network type), Battery information (level, temperature, voltage, health), Usage statistics (app usage timers), and Wi-Fi information (connection details). For checking true signal strength in dBm or battery health, this is indispensable. Known as the "Testing" menu, this code opens