Quote:
Originally Posted by knob";p="
There are no firmware "Upgrades" for this type of player, if you try to use any other firmware you will most likely "BRICK" your player
I suspect you have corrupted media files on your player and it's trying to load them and getting stuck.
Just format you players memory with FAT32 and reload your music and then restart your player.
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Thanks very much for your answer.But I can't connect my MP4 to PC. At power off state, if USB connector is inserted it only shown 'Loading...'. And no connection with the PC. So I can't format my MP4.