Xiaomi Mi Box 3 no longer turns on

[Tyranno]

Hello,I have a Xiaomi Mi Box (Model MDZ-16-AB) that I can no longer get to work.I don't know if the problem comes from the box, the remote control, or both.When I plug it in I have a red light towards the audio jack.Impossible to turn it on with the remote control, even with new batteries (no indicator light on the remote control, even when I press ...