1. iMore Question's Avatar
    MY iphone is not accepting other sim cards, so i figure it is a carrier problem.
    09-20-2016 02:59 AM
  2. Tim1954's Avatar
    When you say "other carriers" is there one it will accept? If yes, you need to contact them to unlock your device.
    09-20-2016 03:23 AM
  3. metllicamilitia's Avatar
    The fastest and easiest way to figure out which carrier your iPhone is locked to is to put the SIM card it came with back in the phone. Then go to Settings, then to Carrier. After that you'll have to contact the carrier to get an unlock code, which may have a cost, I usually see about $100.
    Lee_Bo and Annie_8plus like this.
    09-20-2016 08:33 AM
  4. Olenamar's Avatar
    How can I unlock the iPhone if l don’t know what carrier is it?
    01-09-2019 01:06 AM
  5. Tartarus's Avatar
    How can I unlock the iPhone if l don’t know what carrier is it?
    Take out the SIM card from the device and look at which carrier it says.
    Annie_8plus likes this.
    01-09-2019 10:13 AM
  6. Annie_8plus's Avatar
    Aren't you getting a bill for your cellular service? If so, that's who you carrier is!
    01-09-2019 11:49 AM
  7. pkcable's Avatar
    Sounds like this MAY be a device purchased from a 3rd party. You will need to check with the person you purchased the device from, and ask them which carrier its locked to.
    Annie_8plus likes this.
    01-09-2019 11:54 AM
  8. Lee_Bo's Avatar
    If this was a friend-to-friend or 3rd party purchase, you'll need to contact the current carrier the device is on (several examples above on how to find out that information) and have them unlock it so you can use it with another carrier.
    Annie_8plus and pkcable like this.
    01-09-2019 11:54 AM

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