A safe mode emblem will appear in the bottom left corner of the screen.Keep hitting the menu button, which is to the left of the home key, while holding down the power button.To enter safe mode, however, follow these steps: Please follow the instructions below to enter safe mode and see whether there is a suspect app interfering with your phone’s network operation. Safe mode will turn off any pre-installed apps or services on the phone. You can see if the invalid MMI code problem persists without any other programs running in the background by disabling them. Safe mode allows you to debug your phone more effectively because it only runs stock Android programs.
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Entering *#06# on a GSM phone, for example, displays the model and serial number (see IMEI). MMI codes are input in the same way that phone numbers are to get a range of information and to enable and disable certain functions. Different Fixes for Connection Problem or Invalid MMI CodeĪ mobile code that starts with a star/hash (*#) prefix is known as an MMI code. What is MMI Code?Ī mobile code that starts with a star/hash (*#) prefix is known as an MMI (Man Machine Interface code) code.
This usually happens when a user tries to send an MMI code (Man-Machine-Interface code).įortunately, there are a few options for resolving the Android “Connection problem or invalid MMI code” issue. When the invalid MMI code notification occurs, it usually implies that you won’t be able to make calls or send texts until the problem is fixed.
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Connection Problem Or Invalid MMI Code : Ways How To Fix It UncategorizedĪ notification stating “Connection trouble or invalid MMI code” appears on occasion, which might be annoying for Android users.
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