I'm leaving for Japan on a business trip at the end of January. Of course I'll use my business number with Vodafone postpaid on the SE Z610 and I should have no problems (and the Passport is very convenient at 1 eur set-up fee and then national rate), but I'd like to test some other international sim-card.
I have Travelsim, UM (+423 and +44), Yackie and Maxroam.
I know some guys used UM +423 time ago, I'd like to know if there are some news about the other prepaid offers (I guess UM+ should not work there).
About the phones no problem, I'm full of W-CDMA 2100 handsets!
