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When I try setting call waiting up it gives a error message, call waiting connection problems or invalid MMI code plz help me fix this error, Tia.

LG K8 call waiting error

1 Answer

Brett Duxbury

LG Master 4,352 Answers
Posted on Apr 28, 2018

Brett Duxbury

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Joined: Nov 12, 2012

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Https://www.youtube.com/watch?v=F-01TzS1tA0
Diana , try this let us know if it helps

youtube.com

How to Fix Connection problem or invalid MMI code when Running USSD code...

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Greg Loechel

283 Answers
Posted on Jun 18, 2014

SOURCE: how to solution for Connection problem or invalid mmi code in samsung GT-19070?

Hi Mohammad, try a Factory Reset.

Chris Hunt

1342 Answers
Posted on Jun 23, 2014

SOURCE: my htc desire z does not make call anymore, i run a ##002# code and now always says "connection problem or invalid MMI code" please help me

You need to take it to a store from your cell phone provider.

jeff5may32

1258 Answers
Posted on Nov 30, 2014

SOURCE: I always have problem loading airtime on LG705

You have a service provider problem. Call your provider and ask for tech support or go into a store who is an authorized service dealer.

handymanloui

210 Answers
Posted on Feb 01, 2015

SOURCE: How do I fix a problem with my phone, it displays "Connection Problem/ Invalid MMI code"

www.technobezz.com/fix-connection-problem-invalid-mmi-code/

6 Ways How To Fix Connection Problem or Invalid MMI...

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I have a Motorola e6 and all the time I try to set up my voice mail I keep getting MMI code is wrong how do I fix this

'Connection problem or invalid MMI code' indicates problem with the network (i.e poor signal) or wrong MMI code have being entered by the user. Otherwise, if user is trying to recharge through the mobile which has two active sim connections. Then, there is a chance for this error.

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I have a Motorola e6 and all the time I try to set up my voice mail I keep getting MMI code is wrong how do I fix this

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When I try setting call waiting up it gives a error message, call waiting connection problems or invalid MMI code plz help me fix this error, Tia.

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Brett Duxbury

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I have a Motorola e6 and all the time I try to set up my voice mail I keep getting MMI code is wrong how do I fix this

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When I try setting call waiting up it gives a error message, call waiting connection problems or invalid MMI code plz help me fix this error, Tia.

1 Answer

Brett Duxbury

4 Related Answers

Greg Loechel

Chris Hunt

jeff5may32

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How do I fix a problem with my phone, it displays "Connection Problem/ Invalid MMI code"

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I have a Motorola e6 and all the time I try to set up my voice mail I keep getting MMI code is wrong how do I fix this

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