Odroid C4 dead

No VCC.

And you already got some output. Different adapter will not show you more text.

It is 99% chance that you broke your device with killing 3.3 V power supply which is needed for eMMC and uSD card (and bunch of other things).

Is there any chance to be repaired? I still have warranty.

Repairing could be possible. But not under warranty: this was user error.

Maybe you could find some electronic repair service.

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