How To Fix Connection Problem or Invalid MMI Code Error In Android [Updated 2024]
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YouTubeThe Cell Guide
How To Fix Connection Problem or Invalid MMI Code Error In Android [Updated 2024]
Every now and then, you may run into the Connection Problem or Invalid MMI Code pop up error on your Android device. This generally happens when a user is trying to send an Man-Machine-Interface code, aka MMI code. What is a MMI code you ask? It’s those funny codes you enter on your dialer that includes an asterisk (*) or hash (#) characters ...
306.3K viewsDec 29, 2022
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