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What You Need to Do to Recover from a Virus Attack


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  • CDMA, PTT, GSM, SI, EDGE - What are these?

     

    This is the most popular standard for mobile phones in the world. GSM service is used by over 6 billion people across more than 200 countries. The GSM standard makes international roaming pretty common between mobile phone service providers, enabling all their subscribers to use their cell phones in different parts of the world.

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