Firmware

DH_NVR4x-EI_MultiLang_V4.005.0000001.4.R.250818.bin

Dahua firmware released Aug 18, 2025. Encrypted firmware.

Released: Aug 18, 2025
Version: V4.005.0000001.4.R
Size: 103.7 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 52287bd9d994ca18835dda7bde8cdf53
SHA-256: f52e68fb7770a2dedd8424bcc34f748c659c06158d95b6cd748a5a71e6bd2664

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-EI
- Folder: Rejestratory/NVR/NVR4xxx-EI/Stare
V4.005.0000001.4.R · Listed date Aug 18, 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.