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Mobile

Easy Self-Service Method to SIM-Unlock Your iPhone 4, 4S

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Looking to roam the world but don’t want to pay costly roaming charges to your domestic carrier of choice, but are unwilling to pay a high unsubsidized fee for an unlocked iPhone? Well, there’s a hidden feature inside Apple’s iOS operating system that will allow users to quickly SIM unlock their devices without requiring a carrier to provide a subsidy unlock code or paying a third-party.

Reportedly, the method only works on the AT&T version of the iPhone only, and will work with the carrier’s iPhone 3GS, iPhone 4, and iPhone 4S models.

Here’s how to do it:

  1. Insert AT&T micro SIM card into iPhone
  2. Dial 611 for AT&T customer service hotline and hang up
  3. Turn on Airplane Mode
  4. Remove AT&T micro SIM card
  5. Insert micro SIM card for any carrier of your choosing

The method will be capable of unlocking Apple’s AT&T-subsidized iPhone for use on T-Mobile USA’s network in the States as well, but T-Mobile users will be limited to 2G EDGE data speeds rather than the faster 3G HSPA+ (also branded as 4G in the U.S.).

Via: 9to5 Mac



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3 Comments

3 Comments

  1. Anonymous

    11/18/2011 at 5:22 am

    phlpn.es/7x9vmd

  2. Mira

    11/18/2011 at 12:47 pm

    Tried it on iPhone 4S, it does NOT work!!!

  3. D.Q

    11/18/2011 at 12:56 pm

    Does this work for any iOS version? And does the phone need to be jailbroken?

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