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Firmware

DH_NVR6XXX-I_MultiLang_V4.005.0000000.1.R.251202.zip

Dahua firmware released Jan 21, 2026. Encrypted firmware.

Released
Jan 21, 2026
Version
V4.005.0000000.1.R
Size
462.5 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7cd6337a3e8f266d8417d5af591d878f
SHA-256
72044373b6a6eb23c192fcc48d5f9de30549ae4838f1db470bce523959538d43

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.