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Firmware

General_SD6A8XXXG-HN-DB_MCU_V2.401.0000001.81.R.231113.zip

Dahua firmware released Jan 30, 2026. May work with 2 devices.

Released
Jan 30, 2026
Version
V2.401.0000001.81.R
Size
129.6 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
300e7b1dfcfd72f5f1d8757c2f1b9513
SHA-256
90e4bc2f075362422fb45e336722663ee2656083f46bc3548b6e178a8ea6cad0

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_SD6A8XXXG-HN-DB_MCU_V2.401.0000001.81.R.231113.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
V2.401.0000001.81.RHNR_231113_48198
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.