Fix Connection problem or invalid MMI code Error in Android|Tablet

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 not running.
I get the following error message/notification while try to check my mobile data usage balance in my new android:

Connection problem or invalid MMI code.

ok
This error solution is common for android,tablet,bluestacks and the android versions are kitkat,lollipop,marshmallow and naugat also.
Some error occurred android mobile devices are samsung,t mobile,lenovo p780,s7,samsung j5,asus zenfone 5,cell c,cyanogenmod,cm11,digicel,dell streak,galaxy s3,galaxy s4,galaxy s6,galaxy s7,htc one m8,htc desire,huawei,kenapa ya,kaskus,lava,lg g4,miui,mtn,note 4,note 3,note 5,note 2,sony xperia c,sony xperia m,htc wildfire,redmi note,telstra,huawei y300,galaxy y duos,galaxy young,kya hai,samsung j2,motorola,samsung s5,samsung s4,asus,asus zenfone,sony,sony xperia,micromax,moto e,moto g,moto x,moto z,nexus,google pixel,vivo,oppo,honour,redmi,gionee,lyf,panasonic,one plus one,htc,htc one,lenovo,lg,samsung galaxy and note devices,yureka,samsung galaxy android mobile,genymotion and sometime ios iphone also.
This error is occurred following service providers are uninor,BSNL mobile,airtel,aircel,idea,docomo,vodafone,reliance jio also.
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Solution:

1.Goto your android settings-mobile data,now click to turn off your data connection.

2.Then goto settings-SIM management.

3.Now once disabled your sim card and then wait for sometime and again enable it.

4.Finally again goto your dial pad and try that same USSD code.

5.If again the same error is occurring,once restart/reboot your android mobile phone.

6.After the restarting again goto your Dial-pad access the same USSD CODE, now this time the error is gone and the problem is solved.

Видео Fix Connection problem or invalid MMI code Error in Android|Tablet канала Teconz