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Help huawei mercury external memory devices

i bought a sprint usb/phonebackup charger model pgu2300. I bought it so that i may use this to connect to my phone and backup charge and stream a movie from this at the same time. But the way it turned out it did not turn out like i liked. i am not thinking of getting a usb female to usb female connect it to the charging cable and check if my mercury reads the memory card. does anyone know if the mercury does read any memory card. if someone has any other forms of accomplishing this with the pgu2300 charger/usb minisd memory card. Thanks.
help will be a mental relief.


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