Don't tell me the only solution is to disassemble it!! :shock:
I can only see two screws both on the same side of the player (under the USB cap)
(some minutes later)
...wait, there's a kind of a "secret compartment" on the side
lol
I wish I had my camera here. Uncovered (the cover is a bit hard to remove), it is a rectangular hole, with approximately the same width as a usb plug, but with about 1/3 of its height. I can see lots of pins inside, maybe it's a way to access the chip inside without dismantling it? It could be, since I see no way to open the think without breaking it apart...