Skip to content

Firmware

DH_NVR6XXX-I_MultiLang_V4.005.0000000.1.R.250731.zip

Dahua firmware released Jul 31, 2025. Encrypted firmware.

Released
Jul 31, 2025
Version
V4.005.0000000.1.R
Size
461.4 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
60cb90c6b9f9a5d5107f2c0465772858
SHA-256
33929b7835ea5767f9138cdb30a28babe0cb78ff273b00df34f95b11b7f2a16d

Where it's published

Compatible hardware

This firmware is encrypted (the format used for XVR AstonDB and NVR6 I builds), so its contents, including its list of supported hardware, can't be read. Use the model names the vendors list for it instead.