Assalam O ALaikum

Umeed hay tamam dost khiariat say hon gay .
dosto mery sath aik masla hay mery bhai ki mobile ki shop ki
wo computer say data download kar kay card main dalty hian .
card reader ki speed bahut slow hay bari deer say card full hota hay
pehly speed bari teez thi magar ab slow hay ??
kia waja ho sakti hay plzzz urgent bata dien


thanks