If you use Android , then you must be familiar with USSD codes . USSD codes are often referred to as serial codes or fast codes. USSD codes are an extra-UI protocol that allows the user to access the hidden features of their phone . This protocol was originally intended for GSM handsets , but can also be used on newer and more modern devices.
Secret codes can be used to access features and settings that are hidden from the user. For example, you can use secret codes for various tests, such as display information.
In this article , we have provided you with a list of the best secret codes for devices that use Android . To work with serial codes, just open the default dialing page of your phone and enter the codes.
Note: If you are not familiar with some of the secret code below, it is better to leave it out. Playing with unknown secret codes can damage the phone .
New list of Android series codes :
Series codes for all Samsung phones
Secret WiFi, Bluetooth and GPS codes
Hidden codes of Android firmware version information
Factory series codes of Android tests
Other secret codes of Android display