You can download the latest XVR firmware in the following list:
Hilo model
HILOXVR-E80410P Download
HILOXVR-E80810P Download
HILOXVR-D20410A Download
HILOXVR-D20810A Download
HILOXVR-R20410A Download
HILOXVR-R20810A Download
HILOXVR-R20160A Download
HILOXVR-R203240A Download
HILOXVR-R80410A Download
HILOXVR-R80810A Download
HILOXVR-R801620A Download