Flash failed. Orin no more recoverable or flashable

Yes.
Please check below things.

  1. Please check setting the board in recovery and see if you notice additional NVIDIA device. Put the device back in normal mode.
  2. Change the host target connection wires and check changing the USB port on host side.
  3. Retry flashing the board flash.py script.
  4. Try manual flashing using bootburn
cd /drive/drive-foundation
make/bind_partitions -b p3710-10-s05 linux
#put the board in recovery mode(run tegrarecovery x1 on and tegrareset x1 on aurix)
tools/flashtools/bootburn/bootburn.py -b <board config> -B qspi
##put the board in normal mode(run tegrarecovery x1 off and tegrareset x1 on aurix)