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Firmware

DH_SD-Kant_MultiLang_PN_V2.820.0000016.0.R.250617.zip

Dahua firmware released Jun 17, 2025. May work with 36 devices, including SD-2C34006NB-A, SD-2C34006NB1-A, SD-MT1C2000NB-A.

Released
Jun 17, 2025
Version
V2.820.0000016.0.R
Size
33.9 MB
Hardware
36 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
b36fd5b94810af199226f86f0bc3d0e8
SHA-256
4b04e1c16727e83bf4bc818f6df081a0b14f4f6aa27b1781544245469afe616c

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (36 devices).

Where these IDs come from
  • hwid in DH_SD-Kant_MultiLang_PN_V2.820.0000016.0.R.250617.bin: the device's own hardware check list, 36 IDs
  • Install in DH_SD-Kant_MultiLang_PN_V2.820.0000016.0.R.250617.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img in DH_SD-Kant_MultiLang_PN_V2.820.0000016.0.R.250617.bin: the device's own hardware check list, 36 IDs

Technical details

Read from inside the firmware (zip archive).

SoC
SigmaStar Infinity6C
Architecture
arm
OEM build
General
Flash
128.0 MB
Image dates
Jun 17, 2025
Security
Signed, encrypted, security baseline V2.4
Language & video
English by default · 4 languages · PAL
Supported languages (4)

English, Arabic, SpanishEU, Thai

Flash layout: 22 partitions, 8 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
mini-Boot0x00x1400001.3 MBnot written——
IPL0x1400000x1a0000384.0 KBIPL.bin.img—2025-06-17
IPL_CUST0x1a00000x200000384.0 KBIPL_CUST.bin.img—2025-06-17
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2025-06-17
smc0x3000000x4000001.0 MBnot written——
dgs0x4000000x5000001.0 MBnot written——
hwid0x5000000x5c0000768.0 KBnot written——
syslog0x6000000xa000004.0 MBnot writtenubi—
config0xa000000xe000004.0 MBnot writtenubi—
backup0xe000000x12000004.0 MBnot writtenubi—
devconfig0x12000000x16000004.0 MBnot writtenubi—
updateflag0x16000000x17000001.0 MBnot written——
dtb(ro)0x17000000x18000001.0 MBdhdtb.bin.img—2025-06-17
backdtb(ro)0x18000000x19000001.0 MBnot written——
lens0x19000000x1a000001.0 MBnot written——
Kernel0x1a000000x1e000004.0 MBkernel.img—2025-06-17
romfs(ro)0x1e000000x320000020.0 MBromfs-x.squashfs.imgsquashfs2025-06-17
web(ro)0x32000000x3e0000012.0 MBweb-x.squashfs.imgsquashfs2025-06-17
firmware(ro)0x3e000000x5c0000030.0 MBfirmware-x.squashfs.imgsquashfs2025-06-17
backweb(ro)0x5c000000x680000012.0 MBnot written——
backromfs(ro)0x68000000x7c0000020.0 MBnot written——
backkernel0x7c000000x80000004.0 MBnot written——

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.