Using my AT&T in China

Discussion in 'Jailbreaks and iOS Hacks' started by Bo Ziffer, May 16, 2011.

  1. Bo Ziffer macrumors newbie

    Joined:
    May 16, 2011
    #1
    Hey everyone,

    So I'm traveling this summer and I want to use my iPhone 4 abroad. Do I need to unlock/jailbreak my iphone to use a prepaid micro-sim bought and to be used in China?

    Thank you
     
  2. Applejuiced macrumors Westmere

    Applejuiced

    Joined:
    Apr 16, 2008
    Location:
    At the iPhone hacks section.
    #2
    Yes, but if your modem firmware is higher than 01.59.00 then it cant be software unlocked.
    You can get a gevey sim to unlock and use a local microsim.
     
  3. bbmiLo macrumors regular

    Joined:
    Apr 3, 2011
    #3

    I am using AT&T iPhone 4 in China. I unlocked it with Gevey SIM.

    China Unicom has micro-SIM, they are the iPhone official carrier in China, you get 3G with them.
    CMCC (China Mobile) is bigger and more popular, they use regular SIM, but at their store they will cut their SIM into micro-SIM for you, free of charge. They have cheaper pre-paid rates, but no 3G.

    If you use alot of data, I suggest you go with China Unicom.
    I am stuck with CMCC as I had the phone# for years and don't want to change, in China you can not port numbers between carriers.
     
  4. Geckotek macrumors G3

    Geckotek

    Joined:
    Jul 22, 2008
    Location:
    NYC
    #4
    I'll be in China in a couple of months. Should I purchase the Gevey before I leave or are they readily available for purchase over there?
     
  5. utbaseball30 macrumors member

    utbaseball30

    Joined:
    Oct 5, 2008
    Location:
    Miami, Fl
    #5
    purchase it at home just in case, im using a iphone 4 software 4.2.1 firmware 3.10.01 with a gevey sim in taiwan and it works perfectly.
     

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