AT&T in a statement today said the Samsung Focus and other Windows Phone 7 devices would need special microSDHC cards. Removable storage isn't yet officially supported by the mobile OS, but the carrier said users could do a one-time storage upgrade once "Certified for Windows Phone 7" cards were in stores. Faster cards with "optimal performance" are necessary, but current cards don't have that qualifier, according to AT&T....
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Source : http://feeds.electronista.com/click.phdo?i=335ad29...