Feb 21, 2024 · MMI code stands for Man-Machine-Interface code. It’s a way for your phone to communicate with your carrier’s network. When there’s a problem, you can’t make calls or send …

Jul 19, 2022 · Man-Machine Interface code or MMI code are characters that begin with a star (*) or hash (#). It is used to obtain a variety of information or enable special commands on your smartphone.

Oct 12, 2025 · An MMI (Man-Machine Interface) code, often called a USSD code, is a string of numbers and symbols used to access carrier or device functions (for example checking balance, forwarding …

Aug 23, 2024 · Do you keep getting the ‘Connection problem or invalid MMI code’ error while dialing MMI code on your Android phone? Here's how to fix it.

Mar 5, 2024 · MMI stands for Man-Machine Interface, and it refers to a set of codes that can be entered on Android smartphones to access hidden menus, retrieve device information, or perform diagnostic …

May 5, 2024 · MMI codes, short for Man-Machine Interface codes, are brief sequences of symbols that can be entered into a smartphone’s dialer. These codes enable users to access hidden settings, …

Oct 7, 2025 · Curious about MMI codes? Discover what MMI codes are, how they work on your mobile phone, and how to use them for quick access to network and device information.

Aug 15, 2024 · Man-Machine Interface codes, or MMI codes, are specific series of numbers and symbols that perform functions or retrieve information. For example, use ##232339## to perform a …

Jul 29, 2025 · MMI codes for Android devices are special number sequences that unlock hidden features and settings on smartphones. These codes work through the phone’s dialer app and give users …

(M an M achine I nterface code) A cellphone code that begins with a star/hash (*#) prefix.