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The Droid Guy5年

How To Fix Connection Problem or Invalid MMI Code Error

So to solve the Connection Problem or Invalid MMI Code issue, let’s reboot in safe mode. To reboot in safe mode or enter safe mode, follow these steps: Turn off your device. Press and hold the ...
GIZBOT8年

5 Ways to Fix Connection Problem Or Invalid MMI Code Error ... - Gizbot

The invalid MMI code error is a prominent problem for every Android smartphone. Here are 5 possible ways to solve that.