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GPP Unlock SIM Now Unlocks All AT&T iPhone 4S Models

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A new iPhone 4S accessory claims to successfully SIM unlock all models of the AT&T Apple iPhone 4S running iOS 5.0 and 5.0.1 firmware. As AT&T, unlike rivals Sprint and Verizon Wireless, does not yet offer its longstanding customers with SIM unlock codes, iPhone 4S models purchased through Apple or AT&T with carrier subsidization for AT&T’s 3G network won’t be given an unlock code. What that means, especially for business travelers, is that you will have to rely on AT&T to provide international roaming service and cannot obtain a cheap and readily available prepaid SIM card at your country of destination when traveling. Thanks to GPP, an iPhone 4S Unlock SIM can now successfully unlock the AT&T iPhones, though the tool, which comes as a hardware accessory, comes in at an expensive $85 plus shipping.

In order to use the tool to SIM unlock your iPhone, you do need to have an AT&T SIM card–in the case of the iPhone 4S, you’ll need access to a working or non-working micro SIM card for successful activation with Apple’s servers if the iPhone 4S has been recently restored to factory conditions or has not yet been activated out of the box. According to GPP, here’s how to successfully SIM unlock your iPhone 4S:

Turn off your iPhone 4S and place your SIM card along with your GPP SIM together into the custom iPhone 4S tray provided. Turn on your iPhone 4S and your phone will be unlocked and ready to use!

Rival carriers Sprint and Verizon Wireless often provide SIM unlock codes to customers in good standing. After 90 days of good service, subscribers can call customer service and request a SIM unlock code if they intend to do any international travel. GPP says that a tool that will be compatible with the Sprint iPhone 4S is being developed right now, so that should provide a second option for Sprint iPhone 4S customers. At launch, Sprint did not lock the SIM on its iPhone 4S models. GSM customers wanting an unlocked iPhone 4S that will work on AT&T in the U.S. and other international GSM carriers can purchase a fully unlocked model directly from Apple.

The manufacturer says that jailbreaking is not needed. If you’re interested in the GPP SIM unlock tool, you can visit the manufacturer’s website.

Via: GSM Arena

Tech enthusiast in Silicon Valley enjoying the possibilities of ubiquitous connectivity, information sharing, and collaboration enabled by mobile broadband. You can contact Chuong on Twitter @chuongvision or search +chuongvision on Google+.

14 Comments

  1. Anonymous

    02/15/2012 at 5:52 am

     http://lnk.co/IHOTL

    • Jojey

      09/16/2012 at 10:02 am

      The guys at http://www.attiphoneunlocking.com did really great, they unlocked my iphone 4s even if it was not under my contract and att refused to unlock it.

  2. Peng Bunthan

    02/16/2012 at 12:17 am

    How can i unlocked iPhone4 version 5.0 basebend 04.11 ?

  3. Mubeenhussain87

    02/17/2012 at 3:21 pm

    Does dis sim unlock iphone 4s 1.0.13 on sprint carrier… As i want to use in india with different carrier

    • Samy11

      02/17/2012 at 11:42 pm

      Buy the early version before Nov11,2011

      • Mubeenhussain87

        02/18/2012 at 12:45 am

        I have a 4s sprint carrier and i want to unlock it what shud i do

  4. Holysmoke

    02/19/2012 at 8:56 pm

    does this unlock allow mms and face time?

  5. Sisaybd

    02/25/2012 at 4:43 pm

    How can i unlocked iPhone 4s version 5.0 modem firmware 1.0.14 ?

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  7. Fredix

    09/16/2012 at 8:31 am

    HEYY!!! I unlocked my iphone trough http://www.attiphoneunlocking.com they unlocked my iphone under a few hours permanently. Wow! I can really recommend their service, it was cheap and fast!

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