Fix connection problem or invalid mmi code in bsnl,jio 4g sim,airtel & vodafone idea

Channel:

Teconz

Subscribers:

497,000

Published on February 3, 2022 2:30:10 PM ● Video Link: https://www.youtube.com/watch?v=KPpnkoet3kc

Duration: 3:21

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This tutorial is about how to fix connection problem or invalid mmi code in jio 4g sim,airtel and vodafone idea.


Here i get this error message in my samsung galaxy m30s android mobile.


At same time this solution also works for following samsung devices are samsung j2,j5,j6,j7,a10s,a20,a30,a50,a51,s8 and samsung s21 ultra.


Some vivo working models are vivo y20,y11,y12,y91,y33s and vivo y20g.


And the realme and xiaomi device is mi 5a,redmi 6a,redmi 8,redmi 9,redmi note 4,redmi note 8,redmi note 9,realme c2,realme 6i,realme 7i,realme c15 and realme c11.


This method also works on sony xperia,oppo,oneplus,nokia and huawei models.


This 2023 released trick also works for following sim cards like jio 4g,airtel,vodafone idea or vi sim,globe,tnt,tm,jazz,alcatel,verizon and vodacom.


But if you have a at&t sim card,you get this error message while using the voicemail and outgoing caller id.


This video has english subtitle at same time you can translate to tamil,kaise kare hindi,bangla telugu,kannada,sinhala,artinya and malayalam languages.


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Today i get the following one error notification while i try to check my main balance in bsnl sim card :


Connection problem or invalid MMI code.

OK


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How to solve mmi code invalid or connection problem :


1.One of my subscriber ask to me,why it shows this kind of message and what is the meaning of this issue?.

2.At same time some user's are get this issue while try to activate the call forwarding or call barring service.

3.So anyway very simple method to fix this error is,before going to check your main balance or data balance

4.just check your ussd code,if it is correct or not.

5.And then open your settings menu and goto Connections - SIM card manager.

6.Here it shows your dual carrier info.

7.But one time disable and enable that error occurred sim card.

8.And also choose your network mode to automatic like 4g/3g/2g(Auto connect).

9.So i hope,if you follow this simple steps,finally this problem is solved in permanently.

10.This is one and only way to remove or stop this message.

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#connectionproblem #invalidmmicode #mmicodeinvalidorconnectionproblem