Firmware

DH_NVR4x-EI_MultiLang_V4.005.0000001.6.R.251219.bin

Dahua firmware released Dec 19, 2025. Encrypted firmware.

Released: Dec 19, 2025
Version: V4.005.0000001.6.R
Size: 103.7 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 0d3ae732cb149f4f36a556a119e49fbf
SHA-256: 72a83b9c775a91a2291144c9f033c3b60402a29225119349da0e85ca8697eaae

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-EI
- Folder: Rejestratory/NVR/NVR4xxx-EI/Stare
V4.005.0000001.6.R · Listed date Dec 19, 2025
Mirror link (files.dahua.support)

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.