Firmware

DH_NVR2X-4KS3_MultiLang_V4.005.0000000.7.R.260616.bin

Dahua firmware released Jun 16, 2026. Encrypted firmware.

Released: Jun 16, 2026
Version: V4.005.0000000.7.R
Size: 65.9 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: 67083e105f66049cb8f635b577f066ca
SHA-256: 8b979e97ac79b41846dcfc51d56e0eac2c558f55e193932c8ed6a67ae18435e4

Where it's published

Mirrored by
Dahua
files.dahua.support
Mirror
Series: NVR2xxx-4KS3
- Folder: Rejestratory/NVR/NVR2xxx-4KS3
V4.005.0000000.7.R · Listed date Jun 16, 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.