Stages (last firmware) not powering up

Hi ! One of my favorite modules, Stages, is not powering up anymore…I tried with different power supplies with no luck. What can I do ?
Thank you for your support !

Do any of the LEDs light up? Can the module boot in firmware update mode?

Thank you for your answer.
If by that you mean powering it up while pressing the last segment action selection button, no, I still have to LED lighting up unfortunately…

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