Iphone 4s unlocked?

Discussion in 'iPhone' started by user8119, Jun 26, 2012.

  1. user8119 macrumors newbie

    Jun 26, 2012
    I bought a used iphone 4s from Amazon, and the description said it was unlocked/contract free. However, in the "about" section, Carrier is "Verizon 12.0". Two questions...
    1) since it says verizon, does that mean it's only compatible with verizon?
    2) I'm going to be using AT&T. Do I need an AT&T sim card?
  2. RocketRed macrumors 6502a

    Jan 25, 2012
    IF your iPhone is a Verizon iPhone, it will not work with AT&T.

    AT&T, T-Mobile both use MicroSIM cards because they are GSM network.

    Verizon and Sprint use CDMA network, so they don't use sim cards, just the phone only.
  3. user8119 thread starter macrumors newbie

    Jun 26, 2012
  4. RocketRed macrumors 6502a

    Jan 25, 2012
    If it's unlocked, yes you can.

    If it's locked, then you can only use it with Verizon.
  5. Roessnakhan macrumors 68040


    Sep 16, 2007
    If its a Verizon phone it will only work on Verizon domestically (not AT&T, T-Mobile, or Sprint), but it can be unlocked for international use.
  6. iPhone Warrior macrumors member

    May 10, 2011
    no you can't. The Verizon, and Sprint for that matter, unlock if for international carriers only. As that phone will find Verizon service it will attach to it's network regardless of what sim is used.
    That phone will not work in the US with AT&T/t-mobile.

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