Flipper Dead ? "Update & Recovery Mode DFU Started"

This Screen comes up and i tried to reflash according to Manual.
Tried it with SD Card and without SD Card.
Tried that procedure now at least 10 times.

Flasing Co Processor Firmware image…
Upgrading Co-Processor Firmware, please wait…
Flashing Firmware…
Exiting Recovery Mode
Setting Regional Settings

Flipper Reboots → right back into “Update & Recovery Mode DFU Started”

This sounds like a hardware problem, please contact [email protected]