iPhone Sim Question

Discussion in 'iPhone' started by IchigoK2031, Jun 18, 2010.

  1. IchigoK2031

    IchigoK2031 Member

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    So I was thinking of buying an iPhone second hand, probably a 3GS.
    Could I take the SIM from my current ATT phone(which has no data, I don't need data) and put it into the iPhone, and ATT wouldn't know? Do I have to do something different, or what do I have to do?
  2. J-Phone

    J-Phone Active Member

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    That would work but AT&T would eventually add the data plan without you knowing.
  3. IchigoK2031

    IchigoK2031 Member

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    But what if I don't use the 3G? and just use Wi-Fi?
  4. Pandawg

    Pandawg Community Development

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    Just turn off EDGE and 3G with SBSettings. That's what I did when I didn't have a data plan, and I never got charged.
  5. J-Phone

    J-Phone Active Member

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    If you use any iPhone with a AT&T plan without data they will add it without your knowledgment no matter what.
  6. Pandawg

    Pandawg Community Development

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    They never added it for me.
  7. IchigoK2031

    IchigoK2031 Member

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    But do they know if you have an iPhone? Even if you bought it 2nd hand, and don't use 3G/EDGE, and just use an existing SIM?
  8. Pandawg

    Pandawg Community Development

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    They did, it said on AT&T's website that I had an iPhone, but they never added the data plan to my bill.
  9. IchigoK2031

    IchigoK2031 Member

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    I'm just worried about the data plan...
  10. J-Phone

    J-Phone Active Member

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    If your not going to use 3G/Edge then whats the point of plugging in the sim?

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