1. Windows Central Question's Avatar
    I bought lumia 640 because i'm a big windows phone fan and I want to use it in Japan. with any carrier in Japan. I went to AU Japan but they said They cannot give a sim card for my phone. is there any way to use it in Japan. Someone please help

    Thank you
    06-22-2015 07:37 AM
  2. pankaj981's Avatar
    As long as the network supports the GSM frequencies you can use it. Check network band compatibility with carriers and a regular mini SIM is what you'll need after that. On another note, I've read that Here Maps and Drive don't work in Japan.

    Edit: Looks like AU is CDMA. So yes, you won't be able to use the 640 on AU. Look for GSM carriers.

    06-22-2015 07:59 AM
  3. RumoredNow's Avatar
    My understanding is that in Japan you need a visitor SIM. https://www.bing.com/search?q=japan+...ZI&form=MOZTSB
    06-22-2015 12:36 PM
  4. wgrs's Avatar
    Yes, it works with NTT Docomo. There is no GSM in Japan, only 3G/4G. You can buy data only SIM cards, but cannot telephone other than Skype etc. unless you are resident.
    06-24-2015 06:35 AM
  5. Ruvindu Nandana's Avatar
    oh what a relief, is it prepaid or post paid?
    thank you
    06-28-2015 01:06 AM
  6. wgrs's Avatar
    Prepaid. As a tourist - not resident - you cannot buy anything else. Good is IIJMIO Sim card with 2GB. You have to configure APN by hand, and the phone says "no connection", but it works. Took me 30 minutes to get it running, but then it was good everywhere.
    06-28-2015 12:01 PM
  7. Ruvindu Nandana's Avatar
    okay how long 2 GB is Valid? I am a student and going to live in here for a long time. so do you have any link that I can get more information?
    thank you for replying
    06-28-2015 08:59 PM
  8. wgrs's Avatar
    Just google iijmio. It's valid for 3 months and you can top up more gigs if empty.

    If you have a student visa, you may also look into regular SIM cards. Generally, docomo works well with windows phones. But don't ask anybody about WP help, they have probably never seen one.
    06-28-2015 09:09 PM
  9. Ruvindu Nandana's Avatar
    okay thank you so much. I will try it and tell you the result.
    thank you for the help
    06-28-2015 09:39 PM

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