Nothing, there is not the charge gauge, I try a lot of input (fast press on any button, long press on any button) but the screen stay black. It happens when the dx80 was 100% charge, I guess it's not a battery issue.

Thanks for your fast answer. I pressed the power button for around 20sec, and tried to plug it in while pressing + button, it doesn't work. My Window's device manager doesn't react, like if no device has been plugged (I tried on two computers with differents usb cable).

Hello ! I have my DX80 since 2 years and i'm very happy of it. But I tried to update it the same way I do normally (with the ibasso factory tool) to 1.6 but something went wrong (. I got a failure, and now my ibasso is just bricked, I can't even enter in recovery mode :/ Is there any thing to...