I cant use any ussd codes on my phone

Sebastian234

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Aug 8, 2013
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Everytime I try to call the ussd codes a message pops up saying invalid code or connection problem and from what I can tell the connection is fine and the codes are correct

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mhinc

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Dec 27, 2012
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Everytime I try to call the ussd codes a message pops up saying invalid code or connection problem and from what I can tell the connection is fine and the codes are correct

Posted via Android Central App

Which USSD codes are you entering??