AT&T tells Samsung Focus customers not to buy microSD cards...

We'd put forth the theory that Microsoft and Samsung would eventually certify microSD cards specifically for use with Windows Phone 7 devices after they finally came to terms with the fact that the microSD drama surronding the Focus was going to lead directly to broken devices and broken hearts -- and sure enough, that's exactly what's happening. We just received this statement from AT&T, pointing out that the platform is extremely finicky when it comes to microSD selection -- so finicky, in fact, that only "Certified for Windows Phone 7" cards should be used.

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