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Fix networking problem in Korean version of S3

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Questions and Answers

After running a USSD code an error message " undefined additional service. contact customer centre" appears?

How do I solve this problem. the forums doesn't have much on Note4


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More questions and answers on this topic can be found here: USSD code running, and then shows a message Undefined additional service. Contact customer center?

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Fix networking problem in Korean version of S3

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Categories : Samsung Galaxy

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