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
Permanent copy on the Internet Archive (item page)
- MD5
b36fd5b94810af199226f86f0bc3d0e8- SHA-256
4b04e1c16727e83bf4bc818f6df081a0b14f4f6aa27b1781544245469afe616c
Where it's published
Recovered from the Wayback Machine
Dahua
Wayback Machine (materialfile.dahuasecurity.com)
Wayback copyCaptured Aug 11, 2025 from
https://materialfile.dahuasecurity.com/uploads/cpq/SWR/3284602/M/DH_SD-Kant_MultiLang_PN_V2.820.0000016.0.R.250617.zip- Recovered from the Wayback Machine (captured 2025-08-11)
V2.820.0000016.0.R · Listed date Jun 17, 2025
Compatible hardware
Hardware IDs this firmware's installer accepts (36 devices).
- SD-2C34006NB-A
- SD-2C34006NB1-A
- SD-MT1C2000NB-A
- SD-MT1C4000NB-A
- SD-MT2A3000NB-A
- SD-MT2A5000NB-A
- SD-MT2C2005NB-A
- SD-MT2C2005NB1-A
- SD-MT2C24005NB1-A
- SD-MT2C2405NB-A
- SD-MT2C2406NB1-A
- SD-MT2C4005NB-A
- SD-MT2H2000NB-A
- SD-MT2H2000NB-B
- SD-MT2H2000NB-C
- SD-MT2H3000NB-A
- SD-MT2H4000NB-A
- SD-MT2H4000NB-B
- SD-MT2H4000NB-C
- SD-MT2H5000NB-A
- SD-MT3A2010NB-A
- SD-MT3A2010NB-B
- SD-MT3A4005NB-A
- SD-MT3A4010NB-A
- SD-MT3A4010NB-B
- SD-MT3A4010NB-C
- SD-MT3C2406NB-A
- SD-MT3C2406NB1-A
- SD-MT3D2016NB-A
- SD-MT3D2020NB-A
- SD-MT3H2015NB-A
- SD-MT3H2015NB-B
- SD-MT3H4015NB-A
- SD-MT3H4015NB-B
- SD3D416NB-A
- SD3D420NB-A
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).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| mini-Boot | 0x0 | 0x140000 | 1.3 MB | not written | — | — |
| IPL | 0x140000 | 0x1a0000 | 384.0 KB | IPL.bin.img | — | 2025-06-17 |
| IPL_CUST | 0x1a0000 | 0x200000 | 384.0 KB | IPL_CUST.bin.img | — | 2025-06-17 |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2025-06-17 |
| smc | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| dgs | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| hwid | 0x500000 | 0x5c0000 | 768.0 KB | not written | — | — |
| syslog | 0x600000 | 0xa00000 | 4.0 MB | not written | ubi | — |
| config | 0xa00000 | 0xe00000 | 4.0 MB | not written | ubi | — |
| backup | 0xe00000 | 0x1200000 | 4.0 MB | not written | ubi | — |
| devconfig | 0x1200000 | 0x1600000 | 4.0 MB | not written | ubi | — |
| updateflag | 0x1600000 | 0x1700000 | 1.0 MB | not written | — | — |
| dtb(ro) | 0x1700000 | 0x1800000 | 1.0 MB | dhdtb.bin.img | — | 2025-06-17 |
| backdtb(ro) | 0x1800000 | 0x1900000 | 1.0 MB | not written | — | — |
| lens | 0x1900000 | 0x1a00000 | 1.0 MB | not written | — | — |
| Kernel | 0x1a00000 | 0x1e00000 | 4.0 MB | kernel.img | — | 2025-06-17 |
| romfs(ro) | 0x1e00000 | 0x3200000 | 20.0 MB | romfs-x.squashfs.img | squashfs | 2025-06-17 |
| web(ro) | 0x3200000 | 0x3e00000 | 12.0 MB | web-x.squashfs.img | squashfs | 2025-06-17 |
| firmware(ro) | 0x3e00000 | 0x5c00000 | 30.0 MB | firmware-x.squashfs.img | squashfs | 2025-06-17 |
| backweb(ro) | 0x5c00000 | 0x6800000 | 12.0 MB | not written | — | — |
| backromfs(ro) | 0x6800000 | 0x7c00000 | 20.0 MB | not written | — | — |
| backkernel | 0x7c00000 | 0x8000000 | 4.0 MB | not 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.
Related firmware
Other files for much of the same hardware, from any vendor.
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