4 Replies Latest reply: Mar 18, 2013 12:50 PM by fc.lists
CBowen22 Level 1 Level 1

My 4S was officially unlocked by AT&T, however, when I go to Settings>General>Network Menu I do NOT have the option of selecting the Cellular Data Settings menu to change my settings to my current carrier.  I've been told that it is not 'totally unlocked' and that I have to jail break it.  I do NOT want to jail brake my phone.  Is there another way to open this option?  I currently am able to make and receive calls with my other carrier but do not have MMS or Data capabilities even though I'm paying for it. 

iPhone 4S, iOS 5.1.1
  • Michael Black Level 7 Level 7

    If it was officially unlocked by AT&T, then you need to hound your new carrier to help you set it up.  Most GSM carriers do not allow editing of those network settings (AT&T does not allow it either) - they are provisioned over the air or directly by the SIM card.  If those settings have not taken, then it is up to your new carrier to help you as only they can actually do so.


    Of course, if this carrier does not formally support iPhones on their network, you may have a tough time getting any real help form them (they may just be clueless about iPhones).  But they are the ones you need to see.

  • wjosten Level 10 Level 10

    You need to use the iPhone Configuration Utility to edit your APN settings:




    Or, go here:



  • Dynamite-Dig-Ums Level 1 Level 1

    No You Dont!!!  All you have to do is remove the simcard and put it back in after and only after you unlock it.  once you do that the settings will be there.

  • fc.lists Level 1 Level 1

    I'm having the same problem with an iPhone 3GS that was originally locked to ATT. When I put in a non ATT SIM card, I see the Cellular Data Network (CDN) settings. But if I put in a SIM from a reseller of ATT, the settings disappear.


    Removing SIM card after the unlock hasn't worked so far. My initial search seems to show that either the iPhone configuration utility might be needed or an unlock.


    I'll post an update as I diagnose it.