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It is showing invalid sim in both the sim, eventhoguh the sims are alright. And charger port is not working.In my sigmatel s4 phone

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It seems your phone is under network lock you can try unlock codes , recently i got experience with my nokia and unlock it here http://www.unlocking4u.com/

Posted on Nov 15, 2010

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Posted on Jan 02, 2017

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