Firmware

DH_NVR4x-4KS3_MultiLang_V4.006.0000000.5.R.260209.bin

Dahua firmware released Feb 9, 2026. Encrypted firmware.

Released: Feb 9, 2026
Version: V4.006.0000000.5.R
Size: 69.5 MB
Hardware: Encrypted firmware

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Permanent copy on the Internet Archive (item page)

MD5: d0ea0aa2a330ffc2948ae76110083199
SHA-256: 59f10389c4b2b9f96ea389b4fd9ca78a0e0c8f61f5d6b029e5702309ac37f452

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR4xxx-4KS3
- Folder: Rejestratory/NVR/NVR4xxx-4KS3/stare
V4.006.0000000.5.R · Listed date Feb 9, 2026
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.