What Is Invalid MMI Code?
Man Machine Interface OR MMI code means to a specific number which you enter on your Android phone to perform a specific task. When you get the error massage invalid MMI code that means you can’t make a call or send a particular SMS from your phone. But this problem can be fixed easily.
Here are the steps to fix Invalid MMI Code
> Try manually dialing the numbers without the specific characters.
> Try to disable all your Apps.
> Run the phone on Safe mode.
> Add a coma before and after the number.
Technobezz Explains Invalid MMI Code
Sometimes when you are trying to do a quick recharge the phone shows Invalid MMI Code error massage. This is a common problem for Android phones. It is unavoidable so remember the simple points.
>Reboot the phone can solve Invalid MMI Code problem.
>Try to call the number instead.