Help help help ... My S 3 is acting very strange .... Last few days ... It keep on appear tht my ex sd card is damaged .. And need to reformat ..so i format loohn...

Yesterday the error come back again ...same Laah .. Saying that my ex sd card is damaged .. So far i changed 2 ex sd card ... The error is still the same....

Anyone having this problem ... Please advice me what to do ...

Thank you