Cant install Rockbox on new Clip+

[Yakuza666]

Hello

I cant install Rockbox on my new Clip+.

Here is the reference :
SDMX18R-002GK-E57
80-56-09072-002G

The problem is the following : it dont detect rockboxed firmware when I unplug USB. I copy the files in the correct USB mode, I unplug... nothing happen, it refresh the library and it go to the original menu.

I have already one Clip+ (I bought it 2-3 days after the launch). Rockbox works well.

Thanks in advance for your help

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