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Firmware

DH_NVR4x-EI_MultiLang_V4.005.0000001.7.R.260818.zip

Dahua firmware released Aug 18, 2026. Encrypted firmware.

Released
Aug 18, 2026
Version
V4.005.0000001.7.R
Size
103.8 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
7bd6118ab23bd123b92f72e52c817bd9
SHA-256
ed5760116f254566f5a253bcb67f38c729228a64e1292d95436aaa8a52e929ac
Changelog
Release notes

Where it's published

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.