How to Fix ‘Connection Problem or Invalid MMI Code’ Error on Android
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YouTubeGuiding Tech
How to Fix ‘Connection Problem or Invalid MMI Code’ Error on Android
MMI codes are special sequences of numbers that start with a star (*) or hash (#) and are used to access various functions or information on your smartphone. For example, entering *#06# on a GSM phone will display the model and serial number of the phone. There are different types of MMI codes, such as SS codes, USSD codes, Manufacturer MMI ...
103K viewsDec 1, 2023
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