Ouch, someone quick. If a Zerorize flash

flasher -f -F main.bin --erase-user-data=secure

.... fails, is it bricked?

Edit: Phone had 299 with '003 CMT'. I tried standard flashing 005 which failed, then Zerorize with 005 which also failed. https://pastebin.com/Lg1f3GkT

flasher -i works. Should I do cold flash?
I haven't disconnected or tried rebooting it.

Yesterday, originally (likely 003) the phone indicated 'Total Space' of ~64.06gb.
With 299 firmware, it indicated Total Space of ~6.38gb (no typo).

Edit2: When I try to flash, it outputs & stays at ">" & the "flashing bar".