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Firmware

General_SD4AXXX-HN_MCU_V2.401.0000003.19.R.260123.zip

Dahua firmware released Mar 25, 2026. May work with 2 devices.

Released
Mar 25, 2026
Version
V2.401.0000003.19.R
Size
95.6 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
f99a768c51d79b04259376bc16e74dd6
SHA-256
15a8bfd20a000122c42a125586e4e65d5f5251e2f0273adb04f01f09729d812c
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_SD4AXXX-HN_MCU_V2.401.0000003.19.R.260123.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
V2.401.0000003.19.RHNDG_260123_58474
Flash layout: 1 partition, 1 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
camera0x00xc00004003.0 GBmcu-main.bin.img—2016-01-18

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