Firmware

DH_NVR4x-4KS3_MultiLang_V4.006.0000000.1.R.250710.zip

Dahua firmware released Jul 10, 2025. Encrypted firmware.

Released: Jul 10, 2025
Version: V4.006.0000000.1.R
Size: 68.7 MB
Hardware: Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5: fc93d4d70743e56c18b2096dc4bbfda1
SHA-256: 701b1085bff03537a1b5d6ee7025a42a188fc1e26dc4bd7c23262025ab8aa97f

Where it's published

Mirrored by
Dahua
files.dahuatech.support
Mirror
Sold as
- _NVR4x-4KS3
- Folder: Recorders/NVR/_NVR4x-4KS3/old
V4.006.0000000.1.R · Listed date Jul 10, 2025
Mirror link (files.dahuatech.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.