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Picture of How to test your iPhone carrier unlock for 99 cents
My two-year contract with AT&T recently came to and end and I decided to take them up on their recently announced ability to unlock an out-of-contract iPhone.  If for no other reason than to make my phone easier to sell to someone who may want to use it on another carrier.  Note that this is NOT a jailbreak and has nothing to do with jailbreaking.  This process was performed on an un-jailbroken phone that was out of contract (meaning I've paid in full for the phone and now completely own it).

There's a lot of confusion about this process and how it works.  There's also no way to verify that your phone is in fact unlocked.  Thanks to T-Mobile, you now can for 99 cents.  Here's how:

Step 1: Request the unlock from AT&T

Picture of Request the unlock from AT&T
I did this via webchat and the AT&T rep was quick to understand what i wanted and performed the unlock right away.
 
princevj1 year ago
You yourself can check the lock status to what network your Phone is locked...Just go to setting-general-network and you can find to what network your iPhone is supported..other than that you have to get it unlocked...You can get this done using remote unlocking method that will be available at any vendors online like Mobile-Unlocker.com .Once unlocked you can use any network to it
princevj1 year ago
You yourself can check the lock status to what network your Phone is locked...Just go to setting-general-network and you can find to what network your iPhone is supported..other than that you have to get it unlocked...You can get this done using remote unlocking method that will be available at any vendors online like http://www.mobile-unlocker.com/apple/rs16wp8 .Once unlocked you can use any network to it