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Firmware

General_NVR4x-EI_MultiLang_V4.005.0000001.4.R.250818.bin

ENS Security firmware released Aug 18, 2025. Encrypted firmware.

Released
Aug 18, 2025
Version
V4.005.0000001.4.R
Size
103.5 MB
Hardware
Encrypted firmware

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
6bd942694adf072f73fdd2491e25e69b
SHA-256
6dfd52fc0e110ebc90e225af9fcd9990d58453da04485405d67b2ef0bab80fe1

Where it's published

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.