I found the correct mp4 format for anyka pc's

Hello my dear friends this is a tutorial for encode any video format to mp4

Step 1: download the Format Factory
Here is the link to home page: Format Factory
Step 2: Install the software

Step 3: go to the left side of the window program and select "all to mp4"

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Step 4: now in the subwindows click in the Output Settings button
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Step 5: in the prifile settings select low quality and size, the max size working to me is the 320x240. finally click in the ok button
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Step 6: and now chose the videos to convert
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Step 7: in the coreplayer from wince whit the speed at 100% go to menu view->pixel aspect ratio and select 4:3 pal


and enjoy all video you want bye and sorry by my english