You can download the latest NVR firmware in the following list:
Hilo model
HILONVR-P803240A Download
HILONVR-P801620A Download
HILONVR-P80810AR Download
HILONVR-P80410A Download
HILONVR-E80410 Download
HILONVR-E80810 Download
HILONVR-E801610 Download
HILONVR-E80410P Download
HILONVR-E80810P Download