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Firmware

DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.zip

Dahua firmware released Jan 29, 2026. May work with 38 devices, including CA-HZ2016DB-A, CA-HZ2020DB-A, CA-HZ2023DB-A.

Released
Jan 29, 2026
Version
V3.201.0000007.0.R
Size
91.3 MB
Hardware
38 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
176e13aada1940ed7cd2aa78a21f280d
SHA-256
a11f1673561f8efcf858c8586fa586c2dc5440509169e6b2c03f2e3e1c45b59b

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (38 devices).

Where these IDs come from
  • hwid in DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.bin: the device's own hardware check list, 38 IDs
  • Install in DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.bin: the device's own hardware check list, 38 IDs
  • hwid in check.bin: the device's own hardware check list, 38 IDs
  • Install in check.bin: the installer's device list (board families), 1 ID, vendor Dahua (not counted: a more specific list exists)
  • check.img in check.bin: the device's own hardware check list, 38 IDs

Technical details

Read from inside the firmware (bundle of several firmwares). This file bundles 2 firmware images.

DH_SD-Gauss_MultiLang_PN_Stream3_V3.201.0000007.0.R.260129.bin

SoC
Novatek NT98560
Architecture
arm
OEM build
Dahua
Bootloader
U-Boot 2019.04-svn18131
Image dates
Jan 28, 2026
Security
Signed, encrypted, security baseline V2.4
Language & video
English by default · 23 languages · PAL
Software version
V3.201.0000007.0.R.260129
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, Vietnamese, TradChinese, Japanese

Flash layout: 11 partitions, 11 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
dtb0x400000x80000256.0 KBdhdtb.bin.img—2026-01-28
mini-boot0xc00000x140000512.0 KBdhboot-min.bin.img—2026-01-28
bootloader0x2400000x3400001.0 MBdhboot.bin.img—2026-01-28
rootfs0x18400000x3e4000038.0 MBromfs-x.squashfs.imgsquashfs2026-01-28
firmware0x3e400000x644000038.0 MBfirmware-x.squashfs.imgsquashfs2026-01-28
custom0x64400000x68400004.0 MBcustom-x.squashfs.imgsquashfs2026-01-28
kernel0x68400000x6c400004.0 MBkernel.img—2026-01-28
web0x6c400000x6f400003.0 MBkernel-aol.img—2026-01-28
web0x6c400000x7c4000016.0 MBweb-x.squashfs.imgsquashfs2026-01-28
web0x6f400000x7b4000012.0 MBrollback-aol.squashfs.imgsquashfs2026-01-28
pd0x7c400000x7f400003.0 MBpd-x.squashfs.imgsquashfs2026-01-28

check.bin

Architecture
arm
OEM build
Dahua
Image dates
Jan 28, 2026
Security
Signed, security baseline V2.4
Language & video
English by default · 23 languages · PAL
Software version
V3.201.0000007.0.R.260129
Supported languages (23)

English, Italian, Spanish, Russian, French, German, Portugal, Poland, Korean, Czechish, Dutch, Arabic, SpanishEU, Turkey, Ukrainian, Hebrew, Hungarian, Romanian, Thai, Indonesian, Vietnamese, TradChinese, Japanese

About the security baseline: firmware with a higher security baseline can stop a device going back to older firmware. A device already on a higher baseline than V2.4 may refuse this file, and after installing it you may not be able to downgrade to firmware with a lower baseline.

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