Firmware

DH_NVR4x-4KS3_MultiLang_V4.006.0000000.3.R.250922.bin

Dahua and Sveistrup firmware released Sep 22, 2025. Encrypted firmware.

Released: Sep 22, 2025
Version: V4.006.0000000.3.R
Size: 69.5 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: b9f83b54f1c460d74fd9434da3501012
SHA-256: 02c83f24c7abb420a5d7ccab4a1257ae98575bcd4fd0be352e49feca97686f9c

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-4KS3
- Folder: Rejestratory/NVR/NVR4xxx-4KS3/stare
V4.006.0000000.3.R · Listed date Sep 22, 2025
Mirror link (files.dahua.support)
Mirrored by
Sveistrup
Sveistrup (sveistrup.dk)
Mirror
Series: Nvr4xxx-4ks3
V4.006.0000000.3.R · Listed date Sep 22, 2025
Mirror link (sveistrup.dk)

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.