Why? Each one falls into different categories based on the actions these codes perform. However, they are not completely similar.
Many MMI codes have a certain resemblance to one another. For instance, entering *#06# on Global System for Mobile communication (GSM) phones will display the model and the serial number of the phone. It is used to obtain a variety of information or enable special commands on your smartphone. Man-Machine Interface code or MMI code are characters that begin with a star (*) or hash (#). Let us first understand what an MMI code is in detail and what are the common fixes for the problem below: What is MMI Code? But hey, don’t worry! We have a solution to solve this problem! It usually occurs when they are trying to check the account balance, do recharge, or perform any function related to the SIM card. Mobile users can often face the Man-Machine Interface (MMI) error in their devices.