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Firmware

General_SD49XXXT-HN-DGQ_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
126.5 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
1e301a25ddaddd4b31dba063ea01997f
SHA-256
a727d85a2821c88fda9a8d09af21e193ad914cf5f9ba22fcf626c213395acbff
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_SD49XXXT-HN-DGQ_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.RHNDH_260123_58474
Flash layout: 2 partitions, 2 written by this firmware

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

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

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