Japanese iPhone work abroad?

Discussion in 'iPhone' started by hanguolaohu, Jul 14, 2010.

  1. hanguolaohu macrumors regular

    Joined:
    Mar 5, 2007
    #1
    Will a Japanese iPhone that is unlocked work in other countries with a GSM SIM? Also will a factory unlocked Hong Kong iPhone work in Japan with a Japanese prepaid SIM? I remember that I had to rent a phone when visiting Japan several years back and I was told that Japan has their own proprietary 3G network, but I'm not sure if that still applies today.

    Thanks,
    HL
     
  2. robbieduncan Moderator emeritus

    robbieduncan

    Joined:
    Jul 24, 2002
    Location:
    London
    #2
    Last time I was in Japan (a few years back) a standard UK 3G phone would work but 2G would not.
     
  3. hanguolaohu thread starter macrumors regular

    Joined:
    Mar 5, 2007
    #3
    Do you remember which carrier did you use? Did you just buy a prepaid Japanese SIM?
     
  4. robbieduncan Moderator emeritus

    robbieduncan

    Joined:
    Jul 24, 2002
    Location:
    London
    #4
    No idea. I wasn't using data (this was pre-iPhone) and not making many calls, only a few SMS messages. So I just roamed on my standard UK SIM.
     

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