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What options are there in terms of prepaid Internet services? Are the charges reasonable? I will be there for no more than two weeks so prepaid seems to be the sensible option.

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It looks like this is essentially a duplicate of another question we have on here. If I'm mistaken, please flag and let me know, but for now I'm marking it as such. – Mark Mayo May 24 '12 at 23:53
Not quite the same -- he's interested specifically in Internet access, not an all-purpose phone. – jpatokal May 25 '12 at 4:07
@Switchkick Did you make your trip? Did it work? Look at this: – Roberto Aug 29 '12 at 22:43
up vote 5 down vote accepted

There are two good options.

If you're OK with relying on Wifi hotspots, instead of needing 100% coverage, the best option is to sign up for a Wi2 300 account, which has a friendly English signup page and does not choke on foreign credit cards. For Y380/month, you get access to their own hotspots plus the Yahoo!BB and UQ networks, for a total of over 70,000 (!) access points around Japan. (See FAQ.) They provide a "Wi2Connect4" app for iOS devices to ease the pain of typing in network IDs etc. And yes, you can cancel with no strings attached once you get home and pay only a single month's fee.

If you must have actual 4G mobile internet on your cellphone available anywhere, the cheapest reasonable option I'm aware of is the B-Mobile 1 month, 1 GB prepaid, but it's a lot pricier at Y3450 and a little harder to find, although Yodobashi and Bic Camera both stock it.

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Hey, it says that Y380/month is for people that lives in Japan!! ( – Roberto Aug 29 '12 at 22:42
Yes, but there's no verification of any kind, you can punch in any old Japanese address. – jpatokal Sep 3 '12 at 1:32
How is this old Japanese address thing? – Roberto Sep 3 '12 at 13:12
Hmm? I meant that you can enter anything you like in the address field, it is not checked. Your hotel's address, the Imperial Palace, etc. – jpatokal Sep 4 '12 at 1:21
Currently on wi2 right now. Our group was hoping wi2 was ubiquitous but that's very far from reality. We've been all over Tokyo and were only able to get access maybe half an hour every day. And that's being generous. I suppose you get what you pay for. – echoblaze Oct 12 '13 at 1:18

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