1. iMore Question's Avatar
    Greetings !
    I just finished up living in China.
    I bought an iPhone 4s with China telecom company but my service was china mobile... I had no problems while there
    Now, I am back in the USA and I am trying to get my phone unlocked.
    I am not too sure if it is unlocked or locked or if it is GSM or CDMA.
    I was told that my phone was locked CDMA and was using a gevey chip.
    I am still confused because though I had bought my phone in China the carrier without the sim identifies as Verizon 16.0
    I have updated my phone to iOS 7.1 and I really want to make my phone work here in the USA.
    Is it still possible?
    Can someone please recommend if I should use gevey Ultra S or R-sim?
    Also if I use a gevey or r-sim do I need to get the one that is Sprint locked because I have not seen verizon version but they both use CDMA
    Here is the info:
    Model: MD277LL/A
    my IMEI begins with: 99
    05-24-2014 05:32 PM
  2. Jaguarr40's Avatar
    You only needed to post once question. You have explained your situation quire well but I cannot help. Please be patient and i am sure someone will help you soon and again thank you.
    05-24-2014 05:40 PM
  3. SwitchBeach's Avatar
    If it truly is a Verizon iPhone 4s (which it appears that it is), then in the US, you will ONLY be able to use it on Verizon.

    05-24-2014 06:34 PM

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