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To troubleshoot and resolve connection problems or invalid MMI code issues, you can try the following steps: 1. Check for Network Issues: Temporary network connectivity problems can cause the error. Ensure you are in an area with good network coverage. 2. Verify MMI Code Entry: Make sure you are entering the MMI code correctly to avoid the error message. 3. Enable and Disable Airplane Mode: Refresh network connections by toggling Airplane mode on and off in your phone's settings. 4. Toggle Your SIM Off and On: Turn off and on your SIM card in the SIM manager settings to address network issues. 5. Enter the Code in Safe Mode: Test entering the code in safe mode to check for any third-party app interference. By following these steps, you can troubleshoot and resolve connection problems or invalid MMI code errors on your Android device.
Thanks a lot man and a note to anyone who is having problems with the javascript error when you enter the google app. When you go to manage pending searches, search for the chrome app instead of the settings.