Korean Firmware - Can't play videos

[Blaziken]

Hi
I flashed my T10 with the Korean Firmware (3.07 KR 2008.7.1) and it works fine, now I can use it like a pendrive
But there are two problems:
1)It doesn't play videos
2)It doesn't view pictures

When I select Photos or Videos it says that there aren't files.
In the video folder with the file browser there is a video (sheep on the island, it was in the t10 when i buyed it) but it opens it like it is a text file.
In the picture folders there are jpg files that he doesn't open, their icon is a square with a question mark in it.

Help

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