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Thread: Will Unlocking Affect IMEI

  1. #1
    Default Will Unlocking Affect IMEI
    I was wondering if unlocking an iPhone will alter its IMEI in any way. I have googled around and haven't been able to find a solid answer. I am assuming it does to allow the phone to work on a different network, but am unsure. Does anyone know?

    Thanks

  2. #2
    iPhone? More like MyPhone xxhorseriderxxx's Avatar
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    The IMEI is just the identifier for your particular phone, it's used by cell companies to keep track of what phone is using a particular SIM card; the number itself is only useful to the carrier because it provides a link between SIM card and device (you register your IMEI when you get a carrier phone). Your phone is ultimately the only thing stopping you from using another SIM card for another carrier, if you stop your phone from stopping you, you just gain the ability to use a different carrier's SIM card. Your IMEI doesn't change. \

    If you're wondering about CDMA carriers such as sprint, verizon, cricket, exe it's a completely different story. Don't even bother to unlock to another CDMA carrier, it's not something that always works because of the absence of SIM cards and a carrier's unwillingness to accept a phone that is not branded that carrier.

  3. #3
    Quote Originally Posted by xxhorseriderxxx View Post
    The IMEI is just the identifier for your particular phone, it's used by cell companies to keep track of what phone is using a particular SIM card; the number itself is only useful to the carrier because it provides a link between SIM card and device (you register your IMEI when you get a carrier phone). Your phone is ultimately the only thing stopping you from using another SIM card for another carrier, if you stop your phone from stopping you, you just gain the ability to use a different carrier's SIM card. Your IMEI doesn't change. \

    If you're wondering about CDMA carriers such as sprint, verizon, cricket, exe it's a completely different story. Don't even bother to unlock to another CDMA carrier, it's not something that always works because of the absence of SIM cards and a carrier's unwillingness to accept a phone that is not branded that carrier.
    Thanks for the info, I appreciate it. So, if the imei is what stops someone from using a phone on a different carrier how does unlocking work without changing it? In regards to GSM.

  4. #4
    Superbad Modder-ator Simon's Avatar
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    The IMEI doesn't stop someone from using a phone on a different network. As explained above it is just a number to identify your phone, kinda like a serial number.

    Think of it like a finger print/passport. The finger print/passport itself isn't what will stop you from leaving the country if you are restricted. But it is what the authorities will use to identify you to tell if you are someone who is restricted or someone that can leave the country fine.

  5. #5
    carriers like ATT will use the IMEI as a method to lock that phone to there carrier. they submit it to the black list to lock that IMEI number to only work with ATT. carriers like O2 can unlock an iphone using that IMEI by submitting it to the white list. once its on the white list, itunes shall unlock it so it can be used on any carrier.

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