How To Fix, ”Connection Problem on Invalid MMI Code Error Message on Android Devices”

How To Fix, ”Connection Problem on Invalid MMI Code Error Message on Android Devices”


How To Fix, ”Connection Problem on Invalid MMI Code Error Message on Android Devices” - TECH
Here are the steps on How To Fix, ”Connection Problem on Invalid MMI Code Error Message on Android Devices”.

Before following these steps, you firstly try to reboot the radio and it works most of the time. However, if it does not work then follow the below steps:

Step 1:

Go To Settings, then Network Connection next Mobile Networks next Network Operators and select Wireless Provider during the search. May Be, You need to repeat this step for few times before you will connect to your network.

Step 2:

In the step 2, you need to try to activating the Radio and Turn on IMS over SMS. To do this enter service mode by entering the keys in the sequence, *#*#4636#*#* in to the dialing pad. You do not need to press the send button as it will automatically enter service mode. Next, Go into Android Device or Phone Information and select Run Ping test. Then select Turn Off Radio, restart and reboot.

Hopefully, this step will work for you in solving, “Connection Problem on Invalid MMI Code Error Message on Android Devices”.

You can also watch the Video on this Tutorial From This Link

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