Firmware

General_NVR4x-EI_MultiLang_V4.001.0000000.2.R.230621.bin

ENS Security and Dahua firmware released Jun 21, 2023. Encrypted firmware.

Released: Jun 21, 2023
Version: V4.001.0000000.2.R
Size: 99.9 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: a99c3915a67581ecb8c121b66850082d
SHA-256: 58e7a1b5e2f3362ecabc0729b671f9d178a582385248ce9fb6b99842b43bbc78

Where it's published

Available from
ENS Security
ENS Diamond
Current
Sold as
- Product line: Diamond/NVR
V4.001.0000000.2.R · Listed date Jun 21, 2023
Vendor link (Google Drive)
Mirrored by
Dahua
files.dahuatech.support
Mirror
Series: _NVR4xxx-EI
- Folder: Recorders/NVR/_NVR4xxx-EI/old
V4.001.0000000.2.R · Listed date Jun 21, 2023
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.