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Firmware

General_SD7A8XXX-HN_MCU_V2.401.0000003.18.R.251231.zip

Dahua firmware released Apr 2, 2026. May work with 2 devices.

Released
Apr 2, 2026
Version
V2.401.0000003.18.R
Size
189.9 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
a56a49725e21506165ea91367aacc0de
SHA-256
19336fe87efef9638b4ea9f49f8a820d670ad3b7561ece4006f2e5ebd52275aa
Changelog
Release notes

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (2 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install in General_SD7A8XXX-HN_MCU_V2.401.0000003.18.R.251231.bin: the installer's device list (board families), 2 IDs

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
Image dates
Jan 18, 2016
Security
Signed
Software version
V2.401.0000003.18.RHNIW_251231_58259
Flash layout: 2 partitions, 2 written by this firmware

From the image headers (only partitions this firmware writes).

PartitionStartEndSizeImageFilesystemBuilt
camera0chip00x00xc00004003.0 GBmcu-main.bin.img—2016-01-18
camera0chip00x00xc00004003.0 GBmcu-alarm.bin.img—2016-01-18

Other files for much of the same hardware, from any vendor.