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Firmware

DH_XVR4x16-I3(V2.0)_MultiLang_V4.004.0000001.0.R.250822.zip

Dahua firmware released Sep 10, 2025. Encrypted firmware.

Released
Sep 10, 2025
Version
V4.004.0000001.0.R
Size
50.4 MB
Hardware
Encrypted firmware

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Permanent copy on the Internet Archive (item page)

MD5
55f808274898684c7843887e67ef35d6
SHA-256
1623b80a95c6040d80cebb9a03d495a4c7b7473208c9785245fa2eeb45fa2bcd
Changelog
Release notes

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.