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I love my iPhone-4 and I am about to move to Mexico where AT&T and Verizon are not viable carrier options. What is the safest way to unlock my iPhone so I can continue to use my apps (and new ones I may acquire later) with a non-Apple approved carrier?

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up vote 1 down vote accepted

Do you mean to Jailbreak your phone, or to unlock it so you can use it on a different network?

Unlocks currently depend on your firmware version, which you can check by going to settings >> general >> about and looking at the version number. If you can confirm then we could find the right unlock for your phone, supposing it can be unlocked.

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I will update my question to say "unlock" rather than "jailbreak". I always keep the version up to date, so I have the latest. There may be updates before my move also. –  Kenneth Vogt Jan 25 '11 at 20:06
    
Supposing you are currently on 4.2.1 with an iPhone 4, there isn't currently any methods released to unlock it, but the good news is two different unlockers have said there will be unlocks available, just not until iOS 4.3 is released. You might like to check the following two posts for further information: redmondpie.com/… redmondpie.com/unlock-ios-4.3-iphone-4-with-ultrasn0w-confirmed I hope this helps. Good luck. –  Ciaocibai Jan 25 '11 at 21:18
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In the UK SIM lock is removed by the carrier themselves, for example O2 customers can simply request that their iPhone be unlocked online. I have done this with my original, 3GS and iPhone 4 and as such they can all be used on any GSM network and receive official software updates from Apple.

For AT&T iPhones it appears they are not offering a similar service to their customers in the US and you may need to resort to other means to unlock the device.


O2 UK iPhone Unlock: http://shop.o2.co.uk/update/unlockmyiphone.html

AT&T Support: http://www.wireless.att.com/answer-center/main.jsp?t=solutionTab&solutionId=KB82027

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+1 for AT&T Support link –  Cawas Apr 17 '11 at 23:24
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