Upgrading to iOS 7 & Carrier Lock

Discussion in 'iOS 7' started by TiMacLover, Dec 2, 2013.

  1. TiMacLover macrumors 6502

    Joined:
    Aug 10, 2001
    Location:
    Clovis, CA USA
    #1
    I have a refurbished iPhone 5 I received recently from Apple. My previous iPhone was locked to At&t and to my surprise this refurbished iPhone accepted my TMobile. Not sure how that happen.

    I want to update to iOS 7 but am concerned I might lose my ability to use my TMobile sim. Does updating affect your carrier or cause the device to "activate" again?

    Thanks
     
  2. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #2
  3. dictoresno macrumors 601

    dictoresno

    Joined:
    Apr 30, 2012
    Location:
    NJ
    #3
    once a phone is unlocked, software will not relock it.
     
  4. oVerboost macrumors 6502a

    Joined:
    Sep 17, 2013
    Location:
    United Kingdom
    #4
    When you say it accepted your T-mobile sim, on numerous times? First time? Anytime?

    But as has been said, if the phone is unlocked it should be fine after any update.
     

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