Firmware

General_NVR4x-EI_MultiLang_V4.005.0000001.1.R.250224.bin

ENS Security and Dahua firmware released Feb 24, 2025. Encrypted firmware.

Released: Feb 24, 2025
Version: V4.005.0000001.1.R
Size: 104.7 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 79a9ce251898bfffbe47d0f1c64f44d5
SHA-256: 0f08bb4a8e2c0f49af4d0f573ac8efb00d35f318cd157e8e38efe7b4d95ef979

Where it's published

Available from
ENS Security
ENS Diamond
Current
Sold as
- Product line: Diamond/NVR
V4.005.0000001.1.R · Listed date Feb 24, 2025
Vendor link (Google Drive)
Mirrored by
Dahua
files.dahuatech.support
Mirror
Series: _NVR4xxx-EI
- Folder: Recorders/NVR/_NVR4xxx-EI/old
V4.005.0000001.1.R · Listed date Feb 24, 2025
Mirror link (files.dahuatech.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.