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Invalid MMI code or Connection problem - Cell Phones

Posted by Anonymous on

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3 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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gregloechel
  • 283 Answers

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

Hi Mohammad, try a Factory Reset.

Posted on Jun 18, 2014

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  • 1342 Answers

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.

Posted on Jun 23, 2014

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