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  1. Thread AuthorThread Author   #1  
    dmadrigal707's Avatar
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    Default How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Help me
  2. #2  
    rdiddy_25's Avatar
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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Can't. Verizon is CDMA and AT&T is GSM
  3. #3  
    kch50428's Avatar

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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Verizon iPhone4s GSM innards are carrier unlockable for use outside of North America only... search Gevey simunlock - supposedly those will do an unlock and be able to use AT&T in the US.
    Keith - iMore Moderator - The Mobile Nations/iMore Forum Rules
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  4. #4  
    kch50428's Avatar

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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Quote Originally Posted by rdiddy_25 View Post
    Can't. Verizon is CDMA and AT&T is GSM
    The Verizon4S is GSM capable outside the US if unlocked by Verizon... and allegedly, Gevey sims and similar products will unlock a Verizon 4S for domestic GSM use.
    Keith - iMore Moderator - The Mobile Nations/iMore Forum Rules
     iPhone5 on VZW;  iPad(2012) - wifi with BadElf for GPS
    "When the debate is lost, slander becomes the tool of the loser." -- Socrates
  5. #5  
    ThaKrazyOne's Avatar
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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Yes a Verizon iPhone 4S will work with AT&T or any US GSM provider with a GEVEY. The only downfall is it will not work on iOS6 unless it's 6.1.3, but the phone has to be JB'd and there is no untethered JB for 6.1.3. If the 4S is on iOS 5 upto 5.1.1 it will support it and will work with a GSM carrier. I know because I set one up on iOS 5.0.1.
  6. #6  
    WhiteSpir1t's Avatar
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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Quote Originally Posted by dmadrigal707 View Post
    Help me
    I'm using a Verizon 4S with Gevey sim imposer on T-Mobile USA right now. It works well. I was on 5.0.1 iPhone 4S an it worked. On another iPhone 4S with 5.1.1, it works also. I understand the that Gevey has imposers for iOS 6.x and iOS 5.x so choose carefully.

    I had to jailbreak for the phone to recognize the sim card. They say you need to install furiousmod to get Gevey to work, I didn't and it still works.

    I also disabled the Verizon CDMA antenna, as recommended by a forum, so the phone can default to GSM networks a la T-Mobile.
  7. #7  
    WhiteSpir1t's Avatar
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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Quote Originally Posted by dmadrigal707 View Post
    Help me
    How do I switch my Verizon iPhone 4S to take an AT&T SIM card?-imageuploadedbyimore-forums1373781954.100731.jpg
  8. #8  
    Jays1fan's Avatar
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    Default Re: How do I switch my Verizon iPhone 4S to take an AT&T SIM card?

    Quote Originally Posted by ThaKrazyOne View Post
    Yes a Verizon iPhone 4S will work with AT&T or any US GSM provider with a GEVEY. The only downfall is it will not work on iOS6 unless it's 6.1.3, but the phone has to be JB'd and there is no untethered JB for 6.1.3. If the 4S is on iOS 5 upto 5.1.1 it will support it and will work with a GSM carrier. I know because I set one up on iOS 5.0.1.
    will this Gevey thing work on a Virgin Mobile Iphone 4s running on 6.1.3 ?

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