Firmware
General_NVR4x-EI_MultiLang_V4.005.0000001.6.R.251219.bin
ENS Security and EmpireTech firmware released Dec 19, 2025. Encrypted firmware.
- Released
- Dec 19, 2025
- Version
- V4.005.0000001.6.R
- Size
- 103.5 MB
- Hardware
- Encrypted firmware
Download
Download firmware
Permanent copy on the Internet Archive (item page)
- MD5
93d4f66aa5a93e3100e3481c7fbb2194- SHA-256
b3e58ed5daf1ae4ca87438acf2b826a0ae71c31c60a0c26478a1141b42059be7- Changelog
- Release notes
Where it's published
Available from
ENS Security
ENS Diamond
Current- Product line: Diamond/NVR
V4.005.0000001.6.R · Listed date Dec 19, 2025
Available from
EmpireTech
EmpireTech
CurrentV4.005.0000001.6.R · Listed date Dec 19, 2025
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.