AT&T; to Samsung Focus Customers “Don’t Buy microSD Cards”, Wait for “Certified” Due to Random Access Speed

A Samsung Focus document revealed that a microSD card when inserted into Windows Phone 7 is considered a ''permanent modification'' resulting in irreversible changes to card. A Focus FAQ page, states that once a card is added, ''it'll no longer be readable, writable, or even formattable on any other devices such as computers, cameras, printers, and so on''.