He hadn’t triggered a restore. He had wiped the partition to write the new one. If the camera tried to restore from a non-existent backup, it would brick.
Genuine firmware full errors — where the camera’s internal flash memory for system code is full — are extremely rare on V380 cameras. But they can happen if: v380 firmware full
Firmware is essentially the "brain" of your camera. Unlike a computer app that you can easily close and reopen, firmware is embedded directly into the hardware. A "full" firmware update ensures: He hadn’t triggered a restore