Can't turn MIDI usb mode on !! PARANOID ROM

I'm trying to switch it on so i can use it as a microphone for pc using WO MIC. It works just for 2 seconds before the connection is lost and i can realise the usb mode is switched back to file transfer.

Right now im switching to h2os back, hope it will work on it. Any other solutions i should try ? Tried both debug mode on/off.

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