What is mmi code?

MMI (Man-Machine Interface) codes are a sequence of numbers and special characters that allow users to access various settings and functionalities on their mobile devices. These codes are entered into the phone's dialer and typically begin with an asterisk (*) and end with a pound sign (#).

MMI codes are often used to perform actions such as checking account balances, activating or deactivating services, and accessing diagnostic tools. They can be used by both users and network operators to manage aspects of the mobile device or network.

It is important to note that some MMI codes may vary between different mobile carriers and devices, so it is recommended to check with your service provider or user manual for specific codes and instructions. Using improper MMI codes or entering them incorrectly can also have unintended consequences, so caution should be exercised when using them.