Thanks to a helpful commenter at a previous question, I now know that Starting February 11, 2015, All Four Major US Carriers Will Let You SIM Unlock Your Phone.

But that just raises another question: how do I know if my phone is locked in the first place? Is there some place in the phone's settings menu I can go to determine this, or do I have to get in touch with my carrier and check with their records?

1 Answer 1


You could try putting another SIM card in your phone and see if it works, if it doesn't, it's locked.

  • Not a bad idea, but I don't have access to working SIM cards not from my carrier. And the few people I know in the area where I am are all on the same as me.
    – Europe2015
    Jul 6, 2015 at 15:34
  • What device do you have?
    – Bruno Vaz
    Jul 6, 2015 at 16:05

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