HiLook DVR-116G-F1 is a 16-channel digital video recorder designed by

A Compatible USB Drive: Use a flash drive formatted to FAT32.

Copy: Place the file in the root directory of your USB drive (don't put it in a folder).

Continuous Power: Never turn off the DVR during an update, as this can permanently "brick" or damage the device. Step-by-Step Update Guide Step 1: Download the Correct File

Do Not Power Off: Cutting power during an update will "brick" the device, making it permanently inoperable.