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Firmware

General_SD3AXXX-HN-BGQ_MCU_V2.401.0000003.6.R.250512.zip

Dahua firmware released Jul 9, 2025. May work with 2 devices.

Released
Jul 9, 2025
Version
V2.401.0000003.6.R
Size
133.9 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
4ccde55207c31ea0021f3fd8f67a1d3e
SHA-256
6719427688a9edcc57a45607b641a81162c6ad3ad0b6ed782020ad07eec416cc

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_SD3AXXX-HN-BGQ_MCU_V2.401.0000003.6.R.250512.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
V2.401.0000003.6.RHNGZ_250512_56275
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.