Firmware

DH_XVR1B04H-IT_MultiLang_V4.004.0000002.0.R.260430.zip

Dahua firmware released May 20, 2026. Encrypted firmware.

Released: May 20, 2026
Version: V4.004.0000002.0.R
Size: 58.3 MB
Hardware: Encrypted firmware

Download

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Permanent copy on the Internet Archive (item page)

MD5: 39424b916fe172afedc46c05a291b953
SHA-256: d0cb6d0cefeafddef84f56dfe338e012f80634b32917d38ff3500fc945d1dd01
Changelog: Release notes

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- XVR1B04H-I/T
V4.004.0000002.0.R · Listed date May 20, 2026
Vendor link (materialfile.dahuasecurity.com)

Compatible hardware

This firmware is encrypted (the format Dahua uses for NVR4/NVR5 EI and XI builds), so its contents, including its list of supported hardware, can't be read. Use the model names the vendors list for it instead.