Would an unlocked US version of the Galaxy S2 be able to accept SIM cards and operate on Japanese cellular bands, to include their 3G network (FOMA)? Also, would an unlocked Japanese version of it be able to work in the USA in the same manner? The Japanese version has the ability to watch One-Seg (Japanese mobile TV channels). Not like I'd buy it just for that, of course. Someone mentioned an "International" version of the phone. Where can I get more info on this, if it's true? Thanks!