I have bought an iPhone 5s from USA, and sent it back home, however it shows "SIM Not Valid". Is it factory locked, country locked or something else? How can I fix it?

  • Does the sim work for other devices?
    – förschter
    Commented Aug 5, 2014 at 20:27
  • i insert other sims in my mobile,it gives same error Commented Aug 5, 2014 at 20:59

1 Answer 1


Depending on which model you bought in the US, you may or may not have a sim in the phone.

Sounds as though you have a sim, you will need to remove the US sim, buy a sim from a provider in the country where you are going to use it (or enable roaming - although it does not sound as if you are having a roaming issue).

You noted in your comments that you used other sims, if so then:

YES, your phone is most probably locked to a US carrier.

To answer your question how to fix it. You need to buy a non carrier locked phone from Apple in the US, or jail break your phone.

This site does not condone jail breaking however I can point you to a very good site called google which will help you out.

  • tell me, how to unlock it?Is there some way,i google it alot,but all methods are paid..!!! Commented Aug 5, 2014 at 21:44
  • keep googling. Cannot help you with unlocking it on this site.
    – Deesbek
    Commented Aug 5, 2014 at 21:47
  • just give me hint,i will handle it my-self Commented Aug 5, 2014 at 21:48
  • expand your search terms, use a different search engine like duckduckgo.com
    – Deesbek
    Commented Aug 5, 2014 at 21:49

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