The verification step specifically prevents the classic "partial write" disaster where the boot partition is written but the RPMB (Replay Protected Memory Block) becomes desynchronized.
Disconnect the tool, remove the wires, and reassemble the phone. Comparison to Other Tools efixer tool isp emmc verified
(often USB 2.0 or 3.0 via an adapter like the AU6438BS) for direct connection to a PC. Pinout Support: remove the wires