Using a quad-band phone in Japan?

score:5

Accepted answer

All modern "3G" and "4G" phones work in Japan with your foreign SIM card. You will not have problems.

While there are phone bands in Japan that do not exist abroad and while older GSM phones will also not work in Japan, as long as you can use 3G or 4G on your phone, it will work in Japan.

I have been in Japan just a week ago with a group of people from abroad, and Nexus, HTC and iPhone devices all work there, for data AND for voice.

Upvote:5

The intricacies of the band system are beyond me, but b-mobile, who offer pre-paid SIMs for unlocked devices in Japan, seem to support the Nexus 4 / one of its available bands (match up between the N4 Wikipedia page and b-mobile is W-CDMA/HSDPA/HSUPA Band 1 2100MHz)

Note this service is data only.

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