Firmware

DH_NVR4x-EI_MultiLang_V4.005.0000001.7.R.260818.bin

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: bc03176e7961cc7fb363f9d8f0162a40
SHA-256: 6f152fa09326f46583275ecbd058cbbf03927cf052fa76983aa0229efa457e9e

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-EI
- Folder: Rejestratory/NVR/NVR4xxx-EI
V4.005.0000001.7.R · Listed date Aug 18, 2026
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.