a sticky problem

January 21, 2007 2:35pm CST
i just purchaseed a sony ericsson k750i. when i record a movie or sound, or even click photo graphs and save them on the provided memory stick, and try to access them later, the photos appear blocky and movies fail to play.Even i play mp3`s stored on the card,they crackle. i don`t experience such problem with files saved on the phone`s internal memory.please any body help me to solve this problem.
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