Firmware
DH_NVR2X-4KS3_MultiLang_V4.005.0000000.6.R.260304.zip
Dahua firmware released Mar 4, 2026. Encrypted firmware.
- Released
- Mar 4, 2026
- Version
- V4.005.0000000.6.R
- Size
- 65.9 MB
- Hardware
- Encrypted firmware
Download
Download firmware
Permanent copy on the Internet Archive (item page)
- MD5
ef96ae8c57e29be9e2ac2544927c19a1- SHA-256
b6b6dba459b1983a9578d2e02ccda1f1c7ec137e45dde73c258ada3eb17031a6
Where it's published
Sold as
- An earlier build still on Dahua's download server after the download center replaced it
V4.005.0000000.6.R · Listed date Mar 4, 2026
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.