Skip to content

Firmware

General_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
461.2 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
19a7640ebd95e1b6c3199024f31071af
SHA-256
32d880373c01343d816b7fcd2abff04be10189cdf3b9f5d490a1c94d915adf76

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.