Firmware

DH_NVR4x-4KS3_MultiLang_V4.006.0000000.2.R.250811.bin

Dahua firmware released Aug 11, 2025. Encrypted firmware.

Released: Aug 11, 2025
Version: V4.006.0000000.2.R
Size: 69.4 MB
Hardware: Encrypted firmware

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Permanent copy on the Internet Archive (item page)

MD5: 0459486ae346d3402771dc7fa6df32d2
SHA-256: 25e1f80707576fba214df35641d79abd1c91b1062de9cd807b44a466394dad62

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-4KS3
- Folder: Rejestratory/NVR/NVR4xxx-4KS3/stare
V4.006.0000000.2.R · Listed date Aug 11, 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.