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  1. #1
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    unlocking a Verizon iPhone 4S

    Has anyone successfully unlocked a verizon iphone 4s for use on a gsm network? If so, how did you do it?

  2. #2
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    Technically, one doesn't need to unlock the Verizon iPhone 4S to be used on a GSM network.
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  3. #3
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    Quote Originally Posted by Doolie View Post
    Technically, one doesn't need to unlock the Verizon iPhone 4S to be used on a GSM network.
    Not with US cellular carriers, only for international travel. The device is hard wired to not operate on GSM networks in the US, unless someone develops a hack to override that.
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  4. #4
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    i do not know how to unlock a verizon iphone 4s but i know how to unlock a at and t iphone 4s

  5. #5
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    Quote Originally Posted by veriztd View Post
    Not with US cellular carriers, only for international travel. The device is hard wired to not operate on GSM networks in the US, unless someone develops a hack to override that.
    It's not hardwired for anything, but rather it's the activation token that determines lock state, and of course the activation token can be overridden.

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    Quote Originally Posted by gpatrick900
    I am a little confused. My Verizon phone was able to roam on GSM because they used TDMA. Tell it was shutdown. The phone recognizes it as Analog. If PCS has TDMA, It could be technically be used on GSM.
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    What error message does it say when a sim is put in?
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  7. #7
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    It can be done either with Gevey Ultra S on 5.0.1 or with the new SAM unlock.

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    Sorry, hardwired was the wrong word. My mistake.

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  9. #9
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    Didn't know Verizon iPhone 4S have SIM tray......

  10. #10
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    Quote Originally Posted by Thomas_SFO View Post
    Didn't know Verizon iPhone 4S have SIM tray......
    There is now only one model of iPhone 4S that works on both GSM and CDMA networks. The iPhone 4S is restricted in that it cannot connect to GSM networks in the US. It can connect to GSM networks outside the US but needs to have Verizon/Sprint authorize the unlock.
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  11. #11
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    Quote Originally Posted by Telekom View Post
    There is now only one model of iPhone 4S that works on both GSM and CDMA networks. The iPhone 4S is restricted in that it cannot connect to GSM networks in the US. It can connect to GSM networks outside the US but needs to have Verizon/Sprint authorize the unlock.
    That's only partially correct. Verizon's iPhone 4S will work on GSM outside the US, though only through Verizon's roaming arrangement for international GSM use, most likely Vodafone -since they own a stake in Verizon -and it's expensive to roam. To use any inexpensive local prepaid SIMS, one would then need the international unlock, but that international unlock doesn't allow for domestic US GSM carriers. That's how I understand it. Might be wrong.

  12. #12
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    Quote Originally Posted by veriztd View Post
    Not with US cellular carriers, only for international travel. The device is hard wired to not operate on GSM networks in the US, unless someone develops a hack to override that.
    True, but that isn't what the OP asked.

  13. #13
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    All you have to do is call Verizon Global Support - 1-800-711-8300 - and tell them you want to unlock the SIM slot in your phone for international use (as others have said, U.S. SIM cards will not work...although you can roam on U.S. GSM carriers with a foreign SIM). They'll unlock it for you as long as you meet the requirements:

    - The phone is active on your line
    - Your line must have been active for at least 60 days (just the line, not the phone)
    - Your account must be in good standing
    - You haven't unlocked a different global phone in the past 10 months

    I did it the day I bought my 4S back in November, and I was only on the phone for about 5 minutes. It's a very simple and quick process.
    Last edited by bsweetness; 04-26-2012 at 04:20 PM.

  14. #14
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    Quote Originally Posted by Doolie View Post
    True, but that isn't what the OP asked.
    I was only trying to clarify your earlier post that stated,
    Technically, one doesn't need to unlock the Verizon iPhone 4S to be used on a GSM network.
    In that case, it wasn't applicable to GSM cellular carriers in the US which I believe the OP was asking. I did retract my statement that the device was "hard wired" due to a poor choice or wording on my part.

  15. #15
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    There are currently only two ways to unlock the Verizon iPhone 4S for use on USA GSM networks. If you call Verizon for the GSM unlock, it is only for GSM networks outside the USA.

    1. Use Gevey Ultra S sim if on 5.0.1 and jailbroken.

    2. Use SAM which requires jailbreak to install. Instructions here and here

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