Mmi code error at t

Invalid mmi code when trying to lengthen ring time. I followed the instructions on the forum and when I enter the final code * * 61* + 1xxxyyyzzzz* 11* 35# I get an invalid mmi. Error Invalid Number message when sending text. So to solve the Connection Problem or Invalid MMI Code issue, let' s reboot in safe mode. If you don' t have issue sending the message at this point, then most likely an app you recently installed is causing. While different country cell phone providers vary, Invalid MMI Code error is found on mostly dual Sim. If your Prefix code is * 2904* 7#, then adding the comma at the end would do just the trick which will look like * 2904* 7#,. For instant recharge, i am dialing * 120* 16 digit pin number from the recharge coupon or voucher#. At this time ussd code starts running and displays ' Connect. Click Here To Subscribe For More Videos: ly/ SubscribeFadilZagky Back With Another Video Tutorial So In This Video I' m Gonna Show You How To Fix Co. Fix Connection problem or invalid MMI code Error in Android| Tablet- connection problem or invalid mmi code- connection problem mmi code- mmi code cancelled- mmi code invalid- invalid mmi code- mmi code error- ussd code. I have smartphone MIUI version 6. 0 but i can' t recharge and check the balance of account.

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  • Video:Error code

    Error code

    We usually use * 102# to see the balance. when i dial the phone says" Connection problem or Invalid MMI code". There are a few to fix Connection Problem or Invalid MMI Code on android. If that doesn' t work go into Settings - > Network Connection - > Mobile Networks - > Network Operators and select Wireless Provider during the search. To do this enter service mode by keying in * # * # 4636# * # * in to the dialing pad. This video will show you how to easily solve the connection problem or invalid mmi code error on android smartphone. Only select the appropriate sim for what you want to run the ussd code. I have the At& t model though.