Firmware
DH_SD-Eos_Chn_PN_Stream3_V2.812.0000017.1.R.240704.bin
Dahua firmware released Aug 9, 2024. May work with 71 devices, including CA-HZ1020U, CA-HZ1020U1, CA-HZ1023MU.
- Released
- Aug 9, 2024
- Version
- V2.812.0000017.1.R
- Size
- 32.8 MB
- Hardware
- 71 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
3da5decf9ce1a7fc10d785dc712483c5- SHA-256
21dcfbaef0eaf51a2bc70d60f13cfaf642c33b8a97ae7ed96a3a306b7d393f38
Where it's published
Available from
Dahua
Dahua China support portal (support.dahuatech.com)
CurrentSold as
- Chinese-language build
V2.812.0000017.1.R · Listed date Aug 9, 2024
Vendor link (supportfile.dahuatech.com)
Previously at 3 other addresses
- https://supportfile.dahuatech.com/partnerService%2F100cb9d9e1d34751b7f44dddb773a557.bin?auth_key=1791243371-0-0-052cc15dd5fc5f451dcbb74d5fcce43b&response-content-disposition=attachment;filename=DH_SD-Eos_Chn_PN_Stream3_V2.812.0000017.1.R.240704.bin.bin (last seen Oct 5, 2026)
- https://supportfile.dahuatech.com/partnerService%2F100cb9d9e1d34751b7f44dddb773a557.bin?auth_key=1791322362-0-0-991fd869496918b85b477d5652fe6386&response-content-disposition=attachment;filename=DH_SD-Eos_Chn_PN_Stream3_V2.812.0000017.1.R.240704.bin.bin (last seen Oct 6, 2026)
- https://supportfile.dahuatech.com/partnerService%2F100cb9d9e1d34751b7f44dddb773a557.bin?auth_key=1791932399-0-0-4d328b493c22a6a93754578cb53e3107&response-content-disposition=attachment;filename=DH_SD-Eos_Chn_PN_Stream3_V2.812.0000017.1.R.240704.bin.bin (last seen Oct 13, 2026)
Compatible hardware
Hardware IDs this firmware's installer accepts (71 devices).
- CA-HZ1020U
- CA-HZ1020U1
- CA-HZ1023MU
- CA-HZ1023U
- CA-HZ1023U1
- CA-HZ1023U1-A
- CA-HZ1023UA
- CA-HZ1023UBC
- CA-HZ1023UC1-A
- CA-HZ1023UD1-A
- CA-HZ1030U
- CA-HZ1031MU
- CA-HZ1031U
- CA-HZ1031U1
- CA-HZ1031U1-A
- CA-HZ1031UA
- CA-HZ1031UD1-A
- CA-HZ2020U
- CA-HZ2020U1
- CA-HZ2023MU
- CA-HZ2023U
- CA-HZ2023U1
- CA-HZ2023U1-A
- CA-HZ2023UA
- CA-HZ2023UBC
- CA-HZ2023UC1-A
- CA-HZ2023UD1-A
- CA-HZ2025U
- CA-HZ2025U1
- CA-HZ2025U1-A
- CA-HZ2026-EOS-A
- CA-HZ2026U
- CA-HZ2030DU
- CA-HZ2030DUA
- CA-HZ2030MU
- CA-HZ2030U-FI
- CA-HZ2030U1
- CA-HZ2030U2
- CA-HZ2030U3
- CA-HZ2030UAC
- CA-HZ2030UB
- CA-HZ2030UB-B
- CA-HZ2030UBC
- CA-HZ2030UE-B
- CA-HZ2036U
- CA-HZ2037UA-A
- CA-HZ2040U
- CA-HZ2040U1-A
- CA-HZ2045U
- CA-HZ2045U1-A
- CA-HZ2045UC-A
- CA-HZ4026U
- CA-HZ4030U
- CA-HZ4030UA
- CA-HZ4030UB-A
- CA-HZ4030UBC
- CA-HZ4040UA-A
- CA-HZ5030UB-A
- CA-HZ5045UA-A
- CA-HZ6030U
- CA-HZ6030UAC
- SD-MT1A404UB-A
- SD42D204U-HN
- SD42D210U-HN
- SD6C80FA-GN
- SD6C80FA-GN-A
- SD6C80FA-GNX
- SD6C82FA-GN
- SD6C82FA-GNX
- SD6C90FA-GN
- SD6C90FA-GNX
Where these IDs come from
- hwid: the device's own hardware check list, 71 IDs
- Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
- check.img: the device's own hardware check list, 71 IDs
Technical details
Read from inside the firmware (dahua package (zip variant)).
- Architecture
- arm
- OEM build
- General
- Flash
- 128.0 MB
- Image dates
- Jul 4, 2024
- Security
- Signed
- Language & video
- SimpChinese by default · PAL
Flash layout: 17 partitions, 8 written by this firmware
From the firmware's partition table (partitionV2.txt).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| upmcu0 | 0x0 | 0x100000 | 1.0 MB | not written | — | — |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2024-07-04 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2024-07-04 |
| custom(ro) | 0x600000 | 0x980000 | 3.5 MB | custom-x.squashfs.img | squashfs | 2024-07-04 |
| product(ro) | 0x980000 | 0xd00000 | 3.5 MB | pd-x.squashfs.img | squashfs | 2024-07-04 |
| Kernel | 0xd00000 | 0x1200000 | 5.0 MB | kernel.img | — | 2024-07-04 |
| romfs(ro) | 0x1200000 | 0x1a00000 | 8.0 MB | romfs-x.squashfs.img | squashfs | 2024-07-04 |
| web(ro) | 0x1a00000 | 0x2200000 | 8.0 MB | web-x.squashfs.img | squashfs | 2024-07-04 |
| user(ro) | 0x2200000 | 0x3a80000 | 24.5 MB | user-x.squashfs.img | squashfs | 2024-07-04 |
| lens | 0x7100000 | 0x7200000 | 1.0 MB | not written | — | — |
| syslog | 0x7200000 | 0x7600000 | 4.0 MB | not written | ubi | — |
| config | 0x7600000 | 0x7a00000 | 4.0 MB | not written | ubi | — |
| backup | 0x7a00000 | 0x7e00000 | 4.0 MB | not written | ubi | — |
| devconfig | 0x7e00000 | 0x7f00000 | 1.0 MB | not written | jffs2 | — |
| dgs | 0x7f00000 | 0x8000000 | 1.0 MB | not written | — | — |
Related firmware
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