Detailed information on battery voltage, temperature, and charge level. *#2663#
Enter *#06# and press the Call button to display your IMEI number. how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
Secret codes are numeric sequences entered into the phone’s native dialer (the same app you use to call people). They start with asterisks (*) and hashes (#). When entered correctly, they trigger hidden activities or "tests" within the firmware. Detailed information on battery voltage
Secret codes can give you quick access to hidden menus, testing features, and device info. Here's how to use them: how+to+use+secret+codes+on+samsung+galaxy+a7+2+work