Impossible to store média files on my micro SD card

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4

2017-05-12 21:22

Hello,

I cannot store media files (audio-mp3, video-mpeg3/4 and some pics-jpeg) from my PC to the micro SD card ,
neither move them from the M3note central storage  to the micro SD card : their deaseppar after a while.

Please who can help me ?!?!