Can you switch out SIM cards on Cell Phones?

I was wondering if you could put a Boost Mobile SIM card into a cingular phone? I hope this makes sense.

5 Answers

  • 1 decade ago
    Best Answer

    No. The only thing u can do with a Boost sim is put it in a nextel phone, thats bout it. Cingular is on a whole different thing. Nextel/Boost are iDen phones. I think cingular is GSM. Even if the phone is unlocked it won't work. Just a tip; if your stuck with a phone u don't use and can use a (little) extra cash, go to They buy your used cell if its still working, the shippings free and the send u a check in around 2 weeks. Hope I helped.

  • 1 decade ago

    You can use a boost card in a nextel phone or a nextel sim in a boost phone if the codeplug of the phone has been MOD.But from boost to tmobile that i think is the only other Carrier that uses Sim cards the answer is no you cant like the girl answer before they are different types of network.

  • 3 years ago

    you may located it in any AT&T telephone it doesnt count quantity quantity how new or old the telephone is. they comparable sim engaging in enjoying cards a similar so as which you would be waiting to reinforce your telephone without looking out to purchase a sparkling plan or simcard.

  • Lg
    Lv 4
    1 decade ago

    no they are different carriers and it wont work

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  • 1 decade ago

    i tried it before, it wont work.

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