Can a carrier lock a sim-free phone

Discussion in 'iPhone' started by maverick22, Sep 24, 2017.

  1. maverick22, Sep 24, 2017
    Last edited: Sep 24, 2017

    maverick22 macrumors 6502

    Sep 30, 2012
    I still owe $500 on a 7 plus. My sister in law wants to buy it. I want to switch to ATT and use a sim-free 8 plus/X on it.

    Say I order the sim-free phone now, get it in a few days, put my sim from my "unpaid for/locked" T-Mobile phone into the new sim-free phone, will the new phone become locked ?

    Makes me think of another question: my wife's old 6plus was paid off long before we joined Tmobile. Is it still unlocked?

    I haven't dealt with this stuff enough. Thanks.
  2. Shadowbech macrumors 601

    Oct 18, 2011
    Planet iPhone
    No to your first question. If you buy a sim free model, it will stay unlocked permanently.*

    As for the 2nd question, where did she get the 6 Plus and what carrier? If it's already paid off and not under any obligation, you can request an unlock and once approved it will be unlocked.

    *This is if you buy it through Apple. I believe other retailer like Best Buy and Target have the policy to lock it once activated on a certain carrier (eg. AT&T). But in that case, you may want to activate it with a Verizon sim card first so that it will stay unlocked.
  3. eyoungren macrumors Core


    Aug 31, 2011
    ten-zero-eleven-zero-zero by zero-two
    SIM locks are tied to the phone, not the SIM.
  4. maverick22 thread starter macrumors 6502

    Sep 30, 2012
    It was originally an AT&T phone. We paid it off before we even switched to T-Mobile. It was unlocked, and should be unless T-Mobile did something when we put their sim in.


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