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Firmware

General_SD49XXX-HN-MTBD_MCU_V2.401.0000003.22.R.260428.zip

Dahua firmware released Jun 19, 2026. May work with 2 devices.

Released
Jun 19, 2026
Version
V2.401.0000003.22.R
Size
34.4 KB
Hardware
2 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
83c9873768ccab8f2c6de303dac965e6
SHA-256
6e7b7a1551dade80f77d2d436757dc3deb9d6c3ef87a337d365305429726686c
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_SD49XXX-HN-MTBD_MCU_V2.401.0000003.22.R.260428.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
V2.401.0000003.22.RHNJM_260428_59160
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.