Firmware

DH_XVR1B04-IT_MultiLang_V4.004.0000002.0.R.260430.zip

Dahua firmware released May 21, 2026. Encrypted firmware.

Released: May 21, 2026
Version: V4.004.0000002.0.R
Size: 46.8 MB
Hardware: Encrypted firmware

Download

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Permanent copy on the Internet Archive (item page)

MD5: ce2823ea3f083e6ccb6bdefafcfea81e
SHA-256: bef764d08007ad6a1200fa0fd8025d382ef9e9fb69980a04dad4cf2660c41883
Changelog: Release notes

Where it's published

Available from
Dahua
Dahua Download Center
Current
Sold as
- XVR1B04-I/T
V4.004.0000002.0.R · Listed date May 21, 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.